Testosterone in Males as Enhanced by Onion Allium Cepa L

Obesity and low serum testosterone (T) levels are interrelated and strongly influenced by dietary factors, and their alteration entails a great risk of hypogonadism. We’ve mentioned a few among our testosterone boosting foods — including vitamins B, C and D, zinc, magnesium, and omega-3 fatty acids — but there’s quite the list. Moderate exercise can elevate testosterone and semen levels (49), as well as improve brain function, self-esteem, and mood (50). The medicinal value of garlic is best known for its lipid lowering and antiatherogenic effects. Ether extracted garlic oil (essential oil) contains nine times as much of the vinyl-dithiins (5.7 mg/gm) and allyl sulfides (1.4 mg/g) and four times as much of the ajoenes (0.4 mg/g) . Since garlic powder is a simply dehydrated, pulverized garlic clove, the composition, especially allinase activity of garlic powder is identical to those of fresh garlic. Other important sulfur containing compounds presents in garlic homogenate are allyl methyl thiosulfonate, 1-propenyl allyl thiosulfonate and γ-L-glutamyl-S-alkyl-L-cysteine. Raw garlic homogenate has been the major preparation of garlic subjected to intensive scientific study, as because it is the commonest way of garlic consumption. We wished to determine whether there are sufficient new data generated by well-designed studies to provide reason to pursue such therapies and change the current standard of care. Consistency in carbohydrate intake and in spacing and regularity in meal consumption may help control blood glucose and weight. A variety of dietary patterns and specific foods have been shown to be of benefit in people with type 2 diabetes. And our study found a 0.64, 0.17, 0.44mmol/L reduction in TC, TG, LDL-C separately and a 0.04mmol/L increase in HDL-C after 3 weeks to 12 weeks of garlic consumption. This meta-analysis evaluated the blood lipid-lowering effects of garlic with a sample size of over 1600 from 21 RCTs. Effect of garlic consumption on HDL-C levels was explored from 20 studies (690 cases and 699 controls). Effect of garlic consumption on LDL-C levels was explored from 18 studies (625 cases and 637 controls ). Amongst the garlic powder preparations these effects appeared to be similar across the daily dose range of 600–900 mg. Warshafsky and his colleagues deduced from five randomized clinical trials that hypercholesterolemic patients treated with garlic had a mean plasma cholesterol concentration, that was 9% lower than that of patients treated with placebo . The analyses further detected that the extent of cholesterol-lowering properties of garlic differed markedly from one study to another. The different composition and quantity of sulfur components of different garlic preparations used in various studies could account for the inconsistent findings. The present study is descriptive in nature, without direct patient or subject involvement, using commercially available online information on over-the-counter T supplements. A structured PubMed search was the performed for “testosterone” and each of the 109 components found in the supplements. The purpose of this study was to evaluate the composition of “T boosting” supplements, their advertised claims, and compare them with both the published literature and FDA recommendations. The 1 study that showed no effect of an ashwagandha extract, Shoden®, on testosterone concentrations in men was conducted by Lopresti et al. (51). Two of the studies demonstrating positive effects recruited men with no known clinical conditions (50, 62). Four studies were conducted examining the effects of ashwagandha on testosterone concentrations (35, 50, 51, 62). Zhang et al. processed garlic to BG at a temperature of 60 °C, 70 °C, 80 °C, and 90 °C and monitored the HMF concentration till maturity. However, processing fresh garlic for a long duration at high temperatures could lead to a drop in certain phenolic substances due to the loss of polyphenols that are freshly generated or released . In general, the polyphenol contents of BG are three times greater in whole BG bulbs as compared to fresh garlic bulbs, and six times greater in BG cloves peeled 18,35,43,46,63. Garlic is one of the most abundant sources of phenolic compounds among the vegetables consumed by humans.

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Different garlic derivatives have been reported to modulate an increasing number of molecular mechanisms in carcinogenesis, such as DNA adduct formation, mutagenesis, scavenging of free radicals, cell proliferation and differentiation as well as angiogenesis. Garlic has been found to contain a large number of potent bioactive compounds with anticancer properties, largely allylsulfide derivatives. Similarly there was no difference in the changes in blood pressure, heart rate, and pressure differences between the ankle and brachial pressures. Seventy-eight patients with peripheral arterial occlusive disease were randomized to receive garlic or a placebo medication.
  • Allicin (dialkyl thiosulfinate) plays a key role in the medicinal properties of garlic and is formed by the action of allinase on alliin (S-alkyl-l-cysteine sulfoxide) 30,31.
  • Garlic’s nutritional and phenolic compounds have excellent antioxidant status in cancer, post-prandial lipemia patients, reducing oxidative stress (76, 77).
  • While no single food can dramatically alter hormone levels on its own, garlic’s bioactive compounds, particularly allicin, have demonstrated physiological effects that align with healthier endocrine function.
  • But we found garlic consumption slightly increased HDL-C concentration.
  • Combining garlic alongside these lifestyle modifications could amplify the testosterone response beyond what can be achieved through diet alone.
  • While more studies are needed to fully understand the impact of garlic on ED, incorporating it into your diet may offer several advantages for overall sexual health.
  • The use of black cohosh in PCa patients undergoing ADT may be warranted for hot flushes, CV and osteoporotic side effects.
  • The study aims to estimate the prevalence of hyperthyroidism, hypothyroidism, and euthyroidism in patients with TED, through a systematic review of literature.
The results of their study showed that there was no statistically significant difference between the two groups of premenstrual symptoms before the intervention. Moreover, the level of MDA before taking the drug was also reduced compared to before in the garlic group . According to the results obtained from their study, the parameters of the placebo group before and after the study did not show any significant difference. After 30 days, plasma levels of carbonyl groups (PCO), total antioxidant capacity (TAC) and advanced oxidation protein products (AOPPs) were analyzed by spectrophotometric assay. GG participants took two garlic tablets daily for 1 month, and PG participants took placebo tablets in the same manner.

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BDPT does not provide medical advice, diagnosis, or treatment. When building muscle, garlic won't replace your protein shake or creatine. Garlic works in the background to support overall health. Raw onions maintain a higher concentration of these beneficial compounds, which may contribute to their potential testosterone-boosting effects. Cooking can degrade some of the bioactive compounds found in onions, particularly quercetin and sulfur-containing compounds that support hormone production. Yes, eating raw onions may have a stronger effect on testosterone levels compared to cooked onions. One randomized, double-blind, placebo-controlled study was conducted examining the effects of a forskohlii root extract, manufactured to contain a forskolin concentration of 10% (Forslean) daily (extraction process not provided) on testosterone concentrations (40). One randomized, double-blind, placebo-controlled study was conducted examining the effects of a garcinia extract (standardized to contain 60% hydroxycitric acid; details of extraction process not provided) on testosterone concentrations (43). Twelve weeks of daily supplementation with 1.0 g of a musali extract in 40 healthy men, aged between 20 and 40 y, did not significantly increase testosterone concentrations compared with the placebo group. When BG goes through a natural fermentation or aging process, the garlic cloves turn from white to brown and then finally black due to the Millard reaction. In addition, garlic also provides a remarkable amount of several minerals ranging from 0.70% to 0.80% of FM 71,72. The garlic samples treated for 60 h at 70 °C and 60% relative humidity showed the highest amounts of water-soluble vitamins (11,600 mg/kg) than fresh garlic (6633 mg/kg) . Garlic and ginger offer comprehensive benefits that can improve sexual performance, vitality, and overall health for men. Garlic and honey offer several sexual health benefits for men by improving various aspects of physical and sexual function. Mixing garlic, ginger, and honey creates a potent natural remedy that offers numerous benefits. Each study was scored based upon its risk of bias being low, with some concerns, or high for each criterion. The reference lists of relevant papers were also examined to locate additional studies that were not identified by the initial database search. “Herbs, spices, plants, or their extracts” will henceforth be referred to as “herbs.”

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Another study performed by Lee et al. , on acute kidney injury in rats, showed very promising results when treated with aged black garlic extract. It was found that aged garlic extract prevented gentamicin-induced nephrotoxicity by decreasing the oxidative stress and preserving the activities of manganese superoxide dismutase, glutathione peroxidase (GPx), and glutathione reductase (GR). Aged black garlic extract has also been reported to show anti-lipogenic and lipolytic effects in mature 3T3-L1 adipocytes by reducing protein expression of PPARγ, HSL, and serum-phosphorylated HSL levels . Xu et al. carried out a clinical trial on 51 healthy adults for 6 weeks to investigate the effect of aged garlic extract on chronic inflammation and immune function in adults with obesity. Thus, in this review, we summarize the pre-clinical and clinical studies of BG and its bioactive compounds on human health diseases along with diverse bioactivity, the related mode of action, and also future challenges.
  • Thus, these “mild” estrogens could possibly serve as natural alternatives with potentially fewer side effects.
  • Allicin, a substance abundant in garlic, when consumed in large doses, can be hazardous to the liver (139).
  • Exogenous melatonin advances the ram breeding season and increases testicular function.
  • That includes a varied diet rich in zinc, protein, vitamin C, healthy fats and fibre.
  • The concentration of Amadori and Heyns compounds in garlic was determined by ion-pair RP-HPLC-UV in BG and dehydrated garlic as a product of acid hydrolysis such as N-ε-2-furoylmethyl-amino acids (2-FMAAs).
  • In Wister rats with CCl4-induced liver injury, the administration of BG extract was found to show a hepatoprotective effect based on the protection against oxidative damage.
  • Although product recommendations are only our opinions, this research-backed page has been fact-checked and reviewed by a certified nutritionalist or health specialist.
  • Accordingly, administration of honey, as a rich source of chrysin, may enhance, albeit partially, the production of testosterone.
Some researchers have reported high levels of inflammatory factors such as tumor necrosis factor-alpha (TNF-α), IL-6, and IL-1β in diabetic subjects and animal models (41). Chronic hyperglycemia can induce oxidative stress and activate NF-κB. Therefore, any factor that increases the level of reduced glutathione can enhance the expression of the iNOS gene. Ghanbarzadeh S, Garjani A, Ziaee M, Khorrami A. Coq10 and l-carnitine attenuate the effect of high ldl and oxidized ldl on spermatogenesis in male rats. Impact of coenzyme Q10 administration on lead acetate-induced testicular damage in rats. Chrysin reverses the depressive-like behavior induced by hypothyroidism in female mice by regulating hippocampal serotonin and dopamine. Could zinc prevent reproductive alterations caused by cigarette smoke in male rats? Although some animal studies have shown that garlic may increase fertility, there is currently limited evidence of its direct effect on female fertility. Therefore, if there is sufficient clinical evidence, garlic can be prescribed as a medicinal supplement in the prevention and treatment of female reproductive diseases along with drugs . There are limited studies on the specific effects of garlic on female genital cancers . On the other hand, studies have shown that, in diabetic conditions, the amelioration of blood glucose enhances testosterone production 52,53. The study conducted on alloxan-induced diabetic rats by Ghlissi et al. in 2013 showed that 1.5 g of fresh ginger per 15 g of rat diet, for 30 days, significantly reduced the level of blood glucose . A summary of the reproductive toxicity studies conducted on ginger and its derived compounds and their reported protective effects on testosterone level. Examples of this specific research intention included the use of certain types of food or dietary supplements. It plays a key role in developing their reproductive organs and other sexual features such as body hair and muscle mass . However, this effect requires further approval in humans, mainly by conducting clinical trials. Sample sizes ranged from 7 to 620 and ages of the male participants ranged from 18 to 79 y. The initial search identified 4384 unique studies, of which 32 randomized controlled trials were identified as eligible following assessment using the selection criteria (Figure 1) (35–66). FT or BT (the combination of FT and albumin-bound, “weakly-bound” testosterone) have been suggested as more effective measures for diagnosing AD, particularly as men age (32). The inclusion of the testosterone fractions and binding proteins were deemed important since only ∼2% is “free” testosterone, with the remaining testosterone “bound” to proteins (predominantly SHBG, ∼40–45%) (31–33) and controversy existing regarding the relative importance of “bound” and “unbound” testosterone (34). Risk of bias of the included studies was assessed using the Cochrane Collaboration's tool for assessing the risk of bias in randomized trials (30). Single dose of garlic has also been shown to inhibit platelet aggregation 54,56,80. Chronic intake of garlic powder and garlic oil also inhibits platelet aggregation 28,50,55,76-79. Bordia (1978) first showed the dose-dependent inhibition of platelet aggregation by garlic . Like enhancement of fibrinolysis, garlic also has a beneficial effect on platelet adhesion or aggregation in human (Table- 3).
  • However, in human studies, the association between garlic consumption and blood lipids have yielded inconsistent results.
  • Garlic has been surveyed for its potential role in the prevention and treatment of urinary tract infections (UTIs), which commonly affect women.
  • Demonstrated the antiviral effects of aqueous Garlic extracts against coronavirus (co-treatment and post-treatment).
  • However, there are barriers and challenges that should be handled appropriately to achieve successful implementation of PROs in routine clinical practice.
  • While non-vegetarian sources like eggs or mutton are often recommended, vegetarian foods to boost testosterone are equally effective when chosen wisely.
  • Pair garlic with other T-boosting foods – Combine garlic with magnesium and zinc-rich foods like pumpkin seeds, spinach, and grass-fed beef.
  • The reduced catalase was dramatically increased by BG supplementation; nevertheless, levels of SOD tended to increase in the esophagus.
Obesity also affects iron metabolism , and iron dysregulation may further contribute to low circulating total T levels 22,23. Increased visceral fat mass may promote IR through modulating levels of the insulin sensitizer, adiponectin, and also suppress the HPT axis leading to lower circulating T and SHBG levels . T is known to affect the body composition, and T supplementation improves the body composition by increasing the lean body mass and decreasing the fat mass 19,20. Insulin promotes fat storage and central obesity while sex hormones (e.g., T) stimulate lipolysis . Several epidemiological studies demonstrated an inverse relationship between obesity and circulating total T concentrations 5,6,7,8. As summarized in the table, the effect of honey on testosterone is ranging from “positive” (+) to “no change” (±); there is no any “negative” (-) influence of honey administration on testosterone level. While, in both human studies, the dose used was 20 g per day over approximately 3–12 weeks duration. And, the duration of supplementation in these studies were ranged from ∼14 days to ∼50 days. The studies were conducted on different honey varieties from different countries (India, Malaysia, Turkey, Iran, Nigeria, and Italy). Therapeutic effects of garlic (Allium sativum) on female reproductive system: A systematic review They concluded that garlic may be the most potent food having cancer preventive properties. No severe side effects were observed although more people taking garlic (28%) than placebo (12%) complained of a noticeable garlic smell. This meta-analysis study concluded that garlic should be considered as an alternative option with a higher safety profile than conventional cholesterol-lowering medications in patients with slightly elevated cholesterol (Ried et al., 2013b ▶). Long term application of garlic and its preparations on experimental atherosclerosis induced by a high cholesterol diet, showed 50% reduction in atheromatous lesions, particularly in the aorta (Jain, 1977 ▶). Probiotics are good bacteria that your gut needs to function properly, leading to digestive health and overall well-being. Lower your cortisol by managing stress through relaxation techniques, like deep breathing or meditation. A lot of men who suffer from low testosterone symptoms discover that they are deficient in vitamin D as well. Oysters are so rich in zinc they can actually boost your testosterone in minutes. Add either—or both—to your daily consumption for a quick (and tasty) boost of testosterone. Loading up your meals with cruciferous vegetables like Brussel sprouts, broccoli, kale, and cauliflower is another convenient alternative to boost testosterone production. This lasagna staple contains high protein content which acts as a catalyst that strengthens the testes to produce healthy and active sex hormones. A lot of studies have linked cereals with increasing the quantity of vitamin-D in the body. What do scientific studies say? One study found that Moroccan men who added olive oil to their diets saw an increase in testosterone levels by 17%. The mechanisms by which honey increases serum testosterone may be by enhancing the production of luteinizing hormone, enhancing the viability of Leydig cells, reducing testicular oxidative injury, enhancing StAR gene expression, and inhibiting aromatase activity in the testes (Fig. 1). P-coumaric acid at 50, 100, and 200 mg kg−1, for 4 weeks, significantly increased testosterone in male rats with ethanol-induced reproductive toxicity .
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Effects of aqueous garlic extract on the protein levels of interleukin-1 beta (IL-1β) in testis tissues of rats. Effects of aqueous garlic extract on the level of testosterone in serum of rats. In this paper, for example, the authors investigated the effects of garlic extract on diabetic rats, randomly divided into six groups. Allicin in raw garlic may help the body cope better with stress, which could indirectly favour hormonal balance—including testosterone production. Garlic intake (6.25% by weight in diet) for 12 days reduced hyperphagia and polydipsia but did not alter hyperglycemia and hypoinsulinaemia in streptozotocin-induced diabetic mice . Nutrition plays a primary role to control blood glucose level and further complication. But another study reported that pulmonary vasodilatory effect of allicin are independent of the synthesis of NO, ATP-sensitive (K+) channel, activation of cyclooxygenase enzyme . This hypothesis was explained by the fact that NG-nitro-L-arginine methyl ester (L-NAME, a NOS inhibitor) abolished the vasodilatory effect of garlic 103,104.
Allicin
People with preexisting health conditions should be cautious before starting any supplement. Everyday Health recommends speaking with your doctor or healthcare provider before adding any supplement to your diet to make sure it is safe and appropriate for your individual health needs. For this guide, I examined the top popular brands for hair health and consulted with other registered dietitians. Intake of g daily can increase blood flow, digestion, and testosterone. Eggs are a rich source of protein, healthy fats, and nutrients like vitamin D, crucial for testosterone production. This blog post lists foods that may help boost testosterone and lifestyle changes that increase testosterone.
  • While different search times produced results that were not relevant to this study, such as products with exogenous T and hormones, a different search phrase may have produced a varied supplement list.
  • Maintaining a balanced diet and hydration routine is key to supporting both long-term health and hormonal wellness.
  • In conclusion, no definitive evidence yet solidifies raw garlic or aged garlic extract supplements as assured means for increasing test levels.
  • According to the American Urology Association, 2 in 100 men face low testosterone levels.
  • Nine studies showed negative results and garlic powder was used in seven of these studies (Table- 1) 26-34.
  • Only 5.5% of supplements had more than two studies looking at their effect on T.
  • Low estrogen levels in males are necessary to improve the efficiency of testosterone and you can achieve this by incorporating more cabbage into your diet.
Samir H, Nyametease P, Elbadawy M, Nagaoka K, Sasaki K, Watanabe G. Administration of melatonin improves testicular blood flow, circulating hormones, and semen quality in Shiba goats. Melatonin prevents deterioration of erectile function in streptozotocin-induced diabetic rats via sirtuin-1 expression. Hazelnut consumption improves testicular antioxidant function and semen quality in young and old male rats. Ho H, Shirakawa H, Giriwono PE, Ito A, Komai M. A novel function of geranylgeraniol in regulating testosterone production. Oral supplemen-tation of fucoxanthin-rich brown algae extract ameliorates cisplatin-induced testicular damage in hamsters. The total flavonoid content in BG was increased by 3- to 12-fold compared with that in fresh garlic and flavonols as well as flavonols were identified as major flavonoid compounds in BG 22,43,46,83,84,85. BG has become one of the world’s fastest-growing health products with increased awareness about the health benefits of garlic. Kang reported that different thermal treatments significantly altered the mineral profile of garlic and found that manufacturing garlic for 192 h at 65 °C and 50% relative humidity increased the selenium content with sodium, iron, and calcium . Clinical and laboratory studies have shown that diabetes affects the male reproductive system. In the garlic-treated diabetic rats (D1 + G and D2 + G), the structure of the seminiferous tubules was marginally better compared with the D1 and D2 groups. The glucose level of rats' blood was determined by a strip-operated blood glucose sensor (Accuchek; Roche, Germany) on the fifth day of injection of STZ. Allium sativum (garlic) is one of the most common pharmaceutical plants and its hypoglycemic and antioxidant properties have been demonstrated in several studies (6). Increased levels of free radicals in DM cause nuclear factor (NF)-κB to be activated, followed by increased expression of other genes such as inducible nitric oxide synthase (iNOS) and inflammatory cytokines such as interleukin-1β (IL-1β).
  • Studies have shown that a 1mmol/L reduction in TC and LDL-C levels results in a 26.6–29.5% decrease for any cardiovascular disease–related event .
  • Accordingly, the reduction in oxidative stress and enhancement of the antioxidant defense mechanism against prooxidants in testes cells may enhance the biosynthesis of testosterone.
  • Although some studies have reported that garlic may change the taste or smell of breast milk, potentially affecting infant feeding behavior.
  • Given the increasing body of research on herbal supplementation to support natural hormone production, it presents as a potential treatment option for AD.
  • To this end, 3,921 female patients from central and southern regions of Italy were evaluated.
  • Peeled garlic cloves should be crushed or crushed to make them into small pieces.
  • The body mass index (BMI) was calculated as the weight divided by the height squared (kg/m2).
  • Ginseng extract is widely used in traditional Chinese medicine and was reported to reduce fatigue, insomnia and depression in post-menopausal women, although there was no significant benefit on hot flashes .
Some commercially available garlic-based snacks. Research and development of garlic-based snack products. Allicin, a substance abundant in garlic, when consumed in large doses, can be hazardous to the liver (139). The antimicrobial action of undiluted form of GO is 900 times more potent than fresh garlic and 200 times more potent than garlic powder (122).
  • Ketosis is the toxic wasteproducts from fat mobilization, which raises blood acidity and causesthe body to lose vital alkaline minerals such as potassium, calcium andmagnesium.
  • It contains a compound called allicin, which gets released when garlic is chopped or crushed.
  • In this systematic review, many studies were underpowered, making it difficult to obtain statistically significant, between-group differences.
  • Effect of threonine on immunity and reproductive performance of male mice infected with pseudorabies virus.
  • Some studies have reported that garlic improves male sexual function and has beneficial effect in the recovery of testicular functions.
  • The QDP is based on subject self-monitoring supported with a graphic–text tool to help them in food selection and adequate food frequency consumption, while the CDC on oral explanation and printed sample menus were provided by a dietician.
  • Chrysin has been recognized as a potent inhibitor of the enzyme aromatase, which is an enzyme catalyzes the conversion of testosterone to estradiol 62, 63.
  • So by doing this little inexpensive trick, you’re doing multiple great things for your body simultaneously.

Data Collection

Studies have shown that garlic in non-powder form which lowered TC and TG more significantly than powder form garlic preparation over 1–3 months . In addition, garlic oil and garlic tables greatly reduced TC and LDL-C compared with garlic power. And in our meta-analysis, all studies involved hyperlipemia patients. However, the conclusion in TG is contrary to two studies 46, 47.
  • Though researchers have not yet discovered how garlic might immediately boost testosterone levels, the herb may be able to do so indirectly because of various nutrients it contains.
  • The studies were conducted on different honey varieties from different countries (India, Malaysia, Turkey, Iran, Nigeria, and Italy).
  • Fenugreek seed extracts also demonstrated efficacy for increasing (calculated) FT and BT concentrations.
  • Supplementing your diet with zinc for as little as six weeks can have marked improvement in testosterone levels.
  • Aqueous extract of garlic was found to inhibit platelet aggregation induced by ADP, epinephrine, collagen and arachidonate in a dose-dependent manner in vitro and inhibited biosynthesis of prostacyclin in rat aorta .
  • Other disorders of deficient levels of testosterone include depression 17, 18, anxiety 17, 19, and fatigue .
In addition, onion peel extracts, rich with quercetin, was found to reduce insulin resistance in male diabetic rats on high fat diet . Such protective effects may contribute to enhance the production of testosterone, and hence the ways of its action. In addition, onion was found to decrease the formation of malondialdehyde, a marker of oxidative damage, particularly lipid peroxidation, in normal male rats and male rats with aluminum-induced reproductive toxicity . Such enhancement for the antioxidant defense mechanism in Leydig cells by the effect of onion may increase the production of testosterone. Studies have shown that garlic has great potential in inhibiting platelet aggregation. Platelet aggregation superimposed on an atherosclerosis vessel is an antecedent event causing total blockage of blood flow leading to myocardial infarction and thromboembolic diseases. The rise in FA has been observed within 6 hours of garlic administration, which showed that garlic has a rapid onset of action and the effect is well maintained as long as garlic is being taken. Inhibition of fibrinolytic activity (FA) or deficiency of the factors involved might upset the hemostatic balance and allow excessive fibrin deposition. These data indicate that suppressed LDL oxidation may be one of the powerful mechanisms accounted for the benefits of garlic in atherosclerosis .
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Sesame seeds (til), often enjoyed in laddoos during winter, are a fantastic vegetarian source for testosterone enhancement. Avoid oily preparations like methi paratha – opt for steamed greens or a testosterone-boosting vegetarian curry. Embrace this pungent vegetarian testosterone booster for remarkable results. A better lifestyle is more important than including testosterone-boosting foods in your diet to boost your testosterone levels. This clearly shows that garlic can help to improve testosterone levels which will, in turn, help to improve the symptoms of ED and impotence. What is more, this study also showed an increase in estradiol, Leydig cells (the cells found within the testes that handle testosterone production), and even the weight of the rat’s testes. While garlic can be a powerful addition to your diet for boosting testosterone, it’s essential to maintain a balanced diet and healthy lifestyle to support overall hormone health. You may hear stories about garlic and energy, or fast recovery after big lifts. When you eat garlic, these phytoestrogens may bind to your estrogen receptors. Right now, it looks like your regular garlic seasoning isn’t going to boost your estrogen for muscle by itself. Right now, there’s no clear link between garlic servings and muscle gains from shifting estrogen. In this context, the anti-inflammatory action of aged garlic extract is most likely to suppress the expression of classical MAPKs (extracellular-signal-regulated kinase (ERK) and p38 MAPK) . In lipopolysaccharide (LPS)-induced RAW 264.7 cells, the isolated 2-linoleoylglycerol from aged garlic was found to be capable of reducing the levels of NO, inflammatory mediators such as IL-6, TNF-α, and interleukin-1β, prostaglandin E2 as well as the expression of COX-2 and inducible nitric oxide synthase (iNOS). In another study, Tsai et al. demonstrated that the administration of SAC and polysaccharides enriched-BG extract into ICR mice inhibited CCl4-induced hepatic injury by inhibiting lipid peroxidation and inflammation. In Wister rats with CCl4-induced liver injury, the administration of BG extract was found to show a hepatoprotective effect based on the protection against oxidative damage. After a single administration of SAC, the testicular and plasma testosterone significantly increased in the mice. They used an extract of garlic called S-allyl Cysteine (SAC), and injected it into what’s called the intraperitoneal cavity (the space between organs in the torso) of mice. ✲ Definitive evidence may have to wait until studies of specific compounds against one another can be conducted. ✲ Discrepancies in data may be due to the preparations of garlic, which can result in two wildly different compounds. The assessment for these patients is based on orbital images; serum TSH, T3, and free T4; antibody levels as thyrotropin receptor antibodies; and thyroperoxidase levels. In this study the association of thyroid hormones and estimated GFR (eGFR) in euthyroid patients after kidney transplantation was analyzed. Thyroid hormone replacement therapy has been shown to delay progression to end-stage renal disease in sub-clinically hypothyroid patients with renal insufficiency. We aimed to observe the effects of L-thyroxine replacement therapy on body fat content determined with various anthropometric methods and a bioelectrical impedance analysis method in patients with hypothyroidism.Methods. An observed potential positive L-T3 dose effect on treatment preference deserves further study, with careful consideration of thyroid biochemical indices and patient reported outcomes. Treatment of diabetic rats with garlic oil decreased serum acid and alkaline phosphatase, serum alanine and asparate transferases, as well as serum amylase in diabetic rats . Diabetes mellitus is a group of diseases characterized by high blood glucose levels resulting from defects in insulin secretion, insulin action, or both. Rashid and Khan (1985) have postulated that mechanism of antihypertensive action of garlic is due to its prostaglandin like effects, which decreases peripheral vascular resistance . This was a cross-sectional study with 125 Taiwanese males aged 20‒64 years. We hypothesized that obesity might affect not only the male sex hormone, T, but also nutrient metabolism (e.g., iron and glucose), and alterations in nutrient metabolism may contribute to the bidirectional relationship between obesity and the male sex hormone, T. A 10-day fast in obese men resulted in a significant fall in serum T levels, regardless of whether there was carbohydrate (CHO) supplementation (15 or 45 g/day), and T levels increased to normal during the re-feeding (1500 Kcal/day) period . Total studied cases, overt and subclinical subgroups had significantly higher levels of TSH, HOMA-IR, TPOAb, TgAb and visfatin and significantly lower FT4 level compared with the control. Methods The study included 84 children and adolescents with AIT and 84 healthy subjects. Objective The primary objective of our study was to measure the effect of levothyroxine dose adjustments in terms of their utilization of healthcare resources including direct and indirect costs. We investigated the variability of thyroid stimulating hormone (TSH) levels and prescribed daily dosages (PDDs) of LT4 before and during potential drug-drug interactions (DDIs) in users of tablets vs. oral liquid LT4 formulations. The model containing age, mean blood pressure, body mass index, heart rate, FT4, hypertension, diabetes and dyslipidaemia accounted for 55% of the variation in PWV. The symptoms, diagnosis, and the treatments. Comfort food with less of the calories Such evidence could include data about patient preferences, and this needs to be a focus of future studies. Multivariate repeated measures logistic regression analyses first examined effects of physician characteristics on prescribing the various therapies. Physicians were presented with thirteen theoretical patients and chose from 6 therapeutic options, including levothyroxine, synthetic combination therapy, thyroid extract, and liothyronine monotherapy. The observed in vivo antiplatelet effects of ingesting garlic are attributable more to adenosine than to allicin and polysulfide constituents. It was observed that garlic inhibits thrombin-induced platelet synthesis of TXB2 in a dose-and time-dependent manner in rabbits. Frying removes the strong acrid smell of garlic, but preserves it useful effects on FA. Chutani and Bordia (1981) designed one study to show that both raw and fried garlic significantly enhance FA . In 1975, Bordia first demonstrated that garlic oil increased FA after 3 hours of administration. 8 Vegan-Friendly Foods That Boost Your Testosterone Serotonin deficiency leads to runaway levels ofepinephrine and norepinephrine resulting in depression, anxiety, panicattacks, cravings, irritability, aggressiveness and phobias. Possible deficiencies through over use ofSerotonin, Dopamine, GABA, Glutamine, glycine, PEA and Norepinephrine.Phenylalanine becomes depleted in chronic stress and burnout thuslowering tyrosine, dopamine, noreadrenaline and adrenaline, which arederived from it. Foodallergens/leaky gut and chronic stress can contribute tohypothyroidism; estrogen dominance (a deficiency of progesteronerelative to estrogen) in women impairs thyroid function. Garlic has been surveyed for its potential role in the prevention and treatment of urinary tract infections (UTIs), which commonly affect women. Garlic may be effective in treating female genital tract infections, including infections caused by Candida albicans, a common cause of vaginal yeast infections. After filtration with Whatman No. 1 filter paper (0.45 μm), 1 ml of this fresh solution per 100 g of body weight, equivalent to 0.4 g of active ingredient per 100 g of body weight, is used orally . Then 250 g of chopped garlic is dissolved in distilled water and kept in the refrigerator for 12 h. In addition, to treat genital problems, garlic bulbs are completely peeled, washed and chopped into small pieces. But remember—no single food is a magic bullet. Raw garlic can be harsh on the stomach, and let’s be honest, it makes your breath horrendous. So raw garlic usually delivers the strongest dose of its active goodies. It starts forming when garlic is crushed or chopped, but breaks down quickly when heated too much. Allicin, the powerful compound in garlic, is super sensitive. Modulation of age-related biochemical changes and oxidative stress by vitamin c and glutathione supplementation in old rats. Protective effect of ascorbic acid against ethanol-induced reproductive toxicity in male guinea pigs. Long term conjugated linoleic acid supplementation modestly improved growth performance but induced testicular tissue apoptosis and reduced sperm quality in male rabbit. Ameliorative effects of l-carnitine on rats raised on a diet supplemented with lead acetate. Protective effects of l-arginine against testosterone synthesis decreased by T-2 toxin in mouse Leydig cells. Garlic’s ability to promote healthy arteries and blood vessels can directly influence the body’s ability to achieve and maintain an erection. In fact, some studies have shown that garlic can help lower blood pressure, enhance blood flow, and reduce the risk of heart disease—all of which are factors that can positively impact erectile function. Garlic may help improve erectile dysfunction by boosting blood flow, supporting heart health, and reducing oxidative stress, promoting better sexual function. Further evaluation of its proposed osteo-protective and anti-metabolic effects in conjunction with ADT in randomized and controlled clinical studies is also warranted. In addition, further clinical trials evaluating the efficacy of isoflavones must be conducted before their use for relieving ADT-induced side effects can be advocated. Using standardized, replicable herbal extracts or, where appropriate, reporting the concentration of the active ingredient, can ameliorate some of these problems since different parts of the plant (e.g., leaf, stem, or root), the time of the year the herbs are harvested, how they are stored, and how they are processed can all affect concentrations of active ingredients (89). Moreover, there was significant variability in the herbal extracts used, which may impact safety and potency. The dosages used in the included studies varied widely, making an evaluation of safety and efficacy difficult. A UK study found that drinking pomegranate juice daily increased testosterone by up to 24%. Pomegranates (anar) have been revered since ancient times, with Roman emperors using them to keep their soldiers’ testosterone levels high. Add ginger to your meals or smoothies for a natural boost to testosterone levels and enhanced sexual vitality. Let’s dive into the eight natural testosterone-boosting foods for vegetarians that can transform your health. Effect of omega-3 and omega-6 polyunsaturated fatty acid enriched diet on plasma IFG-1 and testosterone concentration, puberty and semen quality in male buffalo. Kamalakkannan S, Tirupathi Pichiah PB, Kalaiselvi S, Arunachalam S, Achiraman S. Emu oil decreases atherogenic plaque formation in cafeteria diet-induced obese rats. Fouad AA, Al-Sultan AI, Yacoubi MT. Coenzyme q10 counteracts testicular injury induced by sodium arsenite in rats. Ghanbarzadeh S, Garjani A, Ziaee M, Khorrami A. Effects of l-carnitine and coenzyme q10 on impaired spermatogenesis caused by isoproterenol in male rats. In addition, there appears to be a significant interaction between dietary intake of phytoestrogens and Se with important implications for heart disease, cancer, diabetes, and other conditions related to body weight . Moreover, Se homeostasis is modulated by factors related to carbohydrate metabolism, suggesting that low serum Se levels may themselves be a consequence of dysregulated energy metabolism in T2DM . For example, supplementation with Se and/or Vitamin E in the large-scale Selenium and Vitamin E Cancer Prevention Trial (SELECT) did not prevent the development of PCa, rather, the incidence of newly diagnosed T2DM increased among the Se-supplemented participants 83,51. Se was shown to have strong anti-proliferative and pro-apoptotic effects on human PCa cells and to improve severe metabolic side effects in patients 144,83. Augusti & Sheela also proposed that antioxidant effect of S-allyl cysteine sulfoxide (isolated product from garlic) may also contribute for its beneficial effect in diabetes . Allicin at a dose of 250 mg/kg is 60% as effective as tolbutamide in alloxan-induced diabetic rabbit . Ingestion of garlic juice resulted in better utilization of glucose in glucose tolerance test performed in rabbits 132,134. The antibacterial effect of different concentrations of garlic extract against human dental plaque microbiota has been shown in in vitro study (Houshmand et al., 2013 ▶). Dietary inclusion of garlic powder protects rats against gentamycin-induced hepatotoxicity, improves antioxidant status, and modulates oxidative stress (Ademiluyi et al., 2013 ▶). Chronic feeding of garlic extracts showed significant decrease in blood glucose level. This suggested that aged garlic extract inhibited platelet aggregation via inhibition of the GPIIb/IIIa receptor and an increase in cAMP (Allison et al., 2012 ▶). Allicin, S-allyl cysteine, presented in aged garlic extract and diallyldi-sulfide, presented in garlic oil are the active compounds responsible for anti-atherosclerotic effect (Gebhardt and Beck, 1996 ▶; Yu-Yah and Liu, 2001 ▶).
  • The reference lists of relevant papers were also examined to locate additional studies that were not identified by the initial database search.
  • Factors like diet, exercise, sleep, and stress levels have a much greater influence on testosterone levels in the body.
  • Even before people knew what microbe were, they knew that garlic (prepared by dicing or chopping) could kill off bad things.
  • One study reported that dietary oils like EEVO helped increase their levels of testosterone by over 17 percent (17), and their Luteinizing hormone by almost 43 percent.
  • Olayaki LA, Alagbonsi IA, Abdulrahim AH, Adeyemi WJ, Bakare M, Omeiza N. Melatonin prevents and ameliorates lead-induced gonadotoxicity through antioxidative and hormonal mechanisms.
  • In vitro activity of garlic (Allium sativum) on some pathogenic fungi.
  • Even if you don’t like its smell, once you learn how healthy it is, that will be no issue of concern.
  • In the current study, insulin, %TS, and RBC aggregation were identified as independent factors that predicted total T levels, with %TS being positively correlated, and insulin and RBC aggregation being negatively correlated.
The Difference Between Free and Total Testosterone: Why It Matters for Men’s Health and Longevity If you are not actively engaged in projectsand activities that you love, then it is nigh impossible to flip yourbodymind out of the die-back and depression, and the recovery periodwill be that much longer. All "degenerative" diseases oneway or another are caused by cellular inflammation due to generationsof cooking and processing of food. If you adopt the habits of Western cooked foodculture, you will suffer the same fate. While some supplements claim to support testosterone levels, their effectiveness can vary based on dosage, quality, and absorption rates. A well-balanced diet that includes diverse sources of vitamins, minerals, and antioxidants will provide the best support for maintaining optimal testosterone levels. Additionally, combining onions with garlic may create a complementary effect, as garlic reduces cortisol levels while onions support testosterone synthesis. Foods high in zinc, vitamin D, and healthy fats, such as eggs, fatty fish, and nuts, play a critical role in testosterone production. To achieve this contribution, we searched the PubMed, Web of Science, and Scopus databases for English language articles (published in full texts or only abstracts) from November 1991 through August 2018 using the keywords “ginger” and “Zingiber officinale” versus “testosterone”. In addition, ginger contains several antioxidant compounds such as vitamin C, vitamin E, beta-carotene, lutein, lycopene, quercetin, genistein, and tannin . Additionally, it is widely used in folk medicine because of its many health benefits in various diseases, including chronic diseases such as diabetes 2,3, cancer 4,5,6, ulcer 7,8, Alzheimer , cardiovascular disease 10,11, and depression . To achieve this contribution, we searched the PubMed, Scopus, and Web of Science databases for English language articles (full texts or abstracts) from November 1991 through August 2018 using the keywords “ginger” and “Zingiber officinale” versus “testosterone”. In in vitro experiments, garlic administration suppressed LDL oxidation and increased HDL, which may be one of the protective mechanisms of the beneficial effects of garlic in cardiovascular health (Rahman and Lowe, 2006 ▶)   . Aged garlic extract was superior to placebo in lowering systolic blood pressure in patients suffering from uncontrolled hypertension. Several clinical studies showed that garlic reduced blood pressure in more than 80% of patients suffering from high blood pressure (Auer et al., 1989 ▶; Konig and Scineider, 1986 ▶; Petkov, 1979 ▶; Omar, 2013 ▶; Stabler et al., 2012 ▶). If you’re experiencing a few of these consistently, it might be worth getting your testosterone levels tested by a healthcare provider. From its cortisol-lowering effects to improving circulation and hormone balance, garlic is a worthy addition to any man’s health routine. Human studies are more limited, but some clinical trials hint at garlic’s potential role in boosting testosterone naturally. In fact, several studies have introduced the antihyperglycemic effect of dietary ginger on blood glucose 49,50,51. Furthermore, in diabetic conditions, other than its potential antioxidant effects in the testes, ginger roots have been found to have a direct effect on blood glucose . The decrease in GSH level reduces the detoxification process for prooxidants in the testes, which negatively affects the testosterone production . Further, in hypertensive rats, the level of reactive oxygen species and thiobarbituric acid reactive substances (TBARS), a byproduct of lipid peroxidation, is increased in testes and epididymis . Moreover, in fact, normal Leydig cell function is affected primarily by luteinizing hormone (LH) , which plays a major role in testosterone synthesis. Boron, which is abundant in honey, is thought to increase testosterone. It may also aid in the treatment of erectile dysfunction since it helps promote proper circulation throughout your body. Second, testosterone is produced in greater quantities in males compared to females. These foods are high in carbohydrates, proteins, and both magnesium and zinc. A healthy plant-based diet must include beans, as well as lentils, chickpeas, and other legumes in general. They are typically known for their effervescent effects. It’s highly likely that when it comes to increasing reproductive health, beans aren’t at the top of many people’s minds. The Mediterranean diet, which has long been recognized as one of the healthiest diets, includes olive oil as a vital ingredient. In this review, it was found that garlic has cardiovascular benefits, including lowering cholesterol levels and lowering blood pressure. A review of several studies showed that garlic has a beneficial effect on ovarian activity and plays an important role in improving women's reproductive outcomes. These results showed that the aqueous extract of garlic had no harmful effect on the reproductive performance of female mice . This review found that garlic may have positive effects on women's fertility and reproductive health. According to the selected studies, the effects of garlic on breastfeeding have not been well studied. The fermentation of garlic by lactic acid bacteria ameliorated diet-induced obesity in db/db C57BL/6J mice by decreasing body weight (18%), lowered epididymal (36%), retroperitoneal (44%), and mesenteric adipose tissue mass (63%), respectively. Additionally, aged garlic extract significantly attenuated the elevation of serum triglyceride, total cholesterol, and lowered lipid peroxidation in liver and kidney tissues . The transformation of fresh garlic to BG results in modifications in the biological activity of bioactive compounds caused by fermentation. Six studies (42, 53, 57, 58, 63, 64) were conducted examining the effects of fenugreek seed extracts on testosterone concentrations. Only 1 study demonstrated positive effects of Asian ginseng supplementation on testosterone (47), while 6 studies showed no effect of supplementation (Table 1). Given the increasing body of research on herbal supplementation to support natural hormone production, it presents as a potential treatment option for AD. Based on current evidence, garlic seems to tilt the balance more toward testosterone by lowering stress hormones and protecting testicular function, rather than boosting estrogen. The antioxidant properties, potential influence on luteinizing hormone, and ability to enhance nutrient absorption all suggest that onions could support hormonal health to some extent. The idea that raw onions can increase testosterone is an intriguing one, backed by some preliminary research and plausible biological mechanisms. Anyone considering testosterone therapy should consult a healthcare professional to determine the most appropriate course of action for their specific needs. However, incorporating onions as part of an overall hormone-supportive diet can be beneficial in promoting long-term health and well-being. Banaba leaf contains a compound calledcorosolic acid that improves glucose entry into cells and can reducebody fat levels. Coffee can severely weaken the kidneys andadrenals, acidify the digestive system and the blood, mess with thenervous system and increase the risk of pancreas cancer. Licoriceroot slows down the deactivation of cortisol andaldosterone extending the life of these hormones in the body, so may bebest to avoid a lot of licorice root during the peak phase. A study from Iran found that men who consumed ginger daily saw significant increases in both testosterone levels and sperm count. Indeed, streptozotocin-induced diabetic rats orally administered onion at 15 mg kg−1 day−1 for four weeks had higher testosterone levels compared with the control . Recently, it has been shown that quercetin at 20 mg−1 kg−1 of body weight for 28 days is able to attenuate testosterone depletion induced by cadmium chloride in male Wistar rats . Studies have shown that garlic can help people who are suffering from hypertension by lowering their blood pressure (91). Processing 1.5% black garlic lowered total cholesterol, alter triglyceride and low-density lipoprotein cholesterol in rats fed a diet which having high in cholesterol (84, 85). Garlic’s nutritional and phenolic compounds have excellent antioxidant status in cancer, post-prandial lipemia patients, reducing oxidative stress (76, 77). Also, if you have existing medical conditions or take medications, chat with your doc before starting any garlic-heavy routine. While garlic has loads of benefits, going overboard can backfire. That means eating a balanced diet, managing stress, getting enough sleep, and staying active. Garlic could either boost or reduce testosterone levels. In this non-controlled investigation, 24 rats ate food containing 5%, 10%, or 15% raw garlic every day for 1 month. Garlic might lower testosterone production by destroying testicular cells in rats During the production of BG by heating at 60–90 °C for 10–15 days, allicin was reduced by 70–80% . These furoylmethyl amino acids, particularly furosine, are generated after acid hydrolysis of Amadori and Heyns products and in the early stage of Millard reaction, these compounds are recognized as indicator compounds. The intermediate stage involves the fragmentation of sugars and the degradation of amino acids, which resulted in the formation of a variety of intermediates, most notably di-carbonyl compounds. In particular, increased generation of reactive oxygen species, and hence the oxidative damage in testicular Leydig cells may reduce the synthesis of testosterone . The formed testosterone is transported to Sertoli cells in the testis to enhance sperm production (i.e., spermatogenesis) . Specifically, luteinizing hormone regulates the expression of 17β-hydroxysteroid dehydrogenase, which catalyzes the conversion of androstenedione to testosterone. Feverfew plusL-tyrosine and high doses of Vitamin C will reduce symptoms whenwithdrawing from any addictive substance whether it be food and foodallergens, drugs, coffee or nicotine. Adaptogens are herbs help coping with stress by restoringhypothalamic cortisol receptor sensitivity. Acetyl-L-carnitine and phosphatidylserine are used to reducecortisol production and repair receptor sensitivity in thehypothalamus. Consume raw-complex/low glycemic carbohydrates andhigh quality protein to potentially deflect the ill effects of elevatedcortisol. I suggest you find either a martial arts teacher, Qi gongmaster or someone to help guide you if things get rough, you might needto use their body as a "template" for higher-integration...it happensthrough "presence." If animal evidence is anything to go by, garlic may benefit T production to a very small extent. That’s enough to get garlic boost testosterone benefits without going into overkill mode. Now, we’re seeing how garlic and testosterone are more connected than we once thought. Using garlic for testosterone works best as part of a bigger picture. Going overboard can cause digestive issues, body odor (yikes), and even thin the blood too much. Additionally, a recent study indicated that high levels of oxygen free radicals (OFRs) in the hypothalamic paraventricular nucleus (PVN) contribute to the potentiation of the vasoconstrictor angiotensin II and the cardiac sympathetic afferent reflex (CSAR), which may result in hypertension . In another clinical trial, a systolic blood pressure reduction was observed in 50 patients with uncontrolled pressure, the average decline being 10.2 ± 4.3 mm Hg . Numerous studies showed the potential effects of BG on decreasing arterial hypertension and inhibiting ACE (Table 6). Recent studies have demonstrated that arterial stiffness precedes hypertension as well as causing a gradual increase in SBP . Several clinical trials have been conducted in the recent years to investigate the cardioprotective effects of BG. Garlic modulates the production and function of both endothelium derived relaxing and constricting factors and this may contribute to its protective effect against hypoxic pulmonary vasoconstriction . For DBP the corresponding reduction in the garlic-treated subjects was slightly smaller. The overall pooled mean difference in the absolute change (from baseline to final measurement) of SBP was greater in the subjects who were treated with garlic than in those treated with placebo. I learned the relationship between stress and hormone health goes both ways. While IF has benefits, raising testosterone levels isn’t one of them. If your levels are clinically low, you may want to consider the option of testosterone replacement therapy. Even worse, the effects can be dose-dependent (43)—the more you drink, the more your testosterone and sperm production is likely to suffer. So, what’s the deal with garlic for testosterone? Caitlin holds advanced training certificates in women's health and integrative and functional nutrition. Committed to the belief that health information should be accessible to all, she is passionate about empowering individuals to make positive changes for their well-being. Almonds are a powerhouse of healthy fats, magnesium, and vitamin E. This bright red fruit has been linked to improved mood and hormone balance. Eggs are a popular, affordable source of protein and healthy fats. BG was given an oral dose of 100 mg/kg body weight two hours before RE induction and its effects were compared to those of raw garlic. In RAW 264.7 macrophages, it was shown that the anti-inflammatory effects of aged black garlic may be due to the inhibition of MAPKs, NF-κβ activities, cytokine production, and expression of iNOS and COX-2 21,120. In another study, 5-HNF exerted anti-inflammatory activity in RAW 264.7 cells against LPS-induced inflammatory response through inactivation of MAPKs, NF-κβ, and intracellular signaling Akt/m TOR pathway . Generally 24.44% (88/360) food samples classified as 11.11% (40/360) meat products and 13.33% (48/360) milk products carried B. Eighteen strains obtained from different food samples were examined for the attendance of a number of virulence genes (nheA, cytK, entFM, bceT and hblC genes) using uniplex PCR method. Three hundred sixty food samples categorized as (228) meat products and (132) milk products were examined for B. Application of control measures, such as Good Manufacturing Practices (GMP) and Hazard Analysis Critical Control Points system (HACCP), in food processing lines can prevent contamination of the foods with pathogens like B. Among the reported foodborne outbreak cases in North America, Europe and Japan attributed to B. Ph.D. and Mark Messina, Ph.D. concluded that “neither soy foods nor isoflavone supplements alter measures of bioavailable T concentrations in men.” Let’s dispel a myth about soy, as it is a commonly used protein source among vegans and it does contain estrogen-like compounds. Bananas contain B vitamins, bromelain enzyme, and potassium, all of which help boost your T levels. Almonds and walnuts are packed with amino acids such as arginine, which helps improve blood flow. These little guys are packed with zinc, so they keep the sex organs healthy and help to promote a healthy metabolism.