4+ garlic benefits for men

Garlic is more than just a flavorful kitchen staple. Some research suggests it may result in sexual health benefits, like boosting blood flow, increasing testosterone, enhancing sexual stamina, and improving fertility. Read on to learn more about garlic benefits for men. 

Research into garlic's sexual benefits is promising, but more studies are needed to fully understand its effects. Below are some potential sexual benefits of garlic for men. 

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1. Boosts blood flow 

Garlic contains allicin, a compound that helps widen and relax blood vessels and, in turn, improves blood circulation throughout the body (including the penis). By enhancing blood flow like such, garlic may be able to act as a natural aid for those who experience erectile dysfunction (ED), a condition often caused by inhibited or poor circulation to the penis. 

In a small study of 35 men without other major health issues, researchers explored the effects of fresh garlic juice on ED in individuals who did not see long-term improvements from taking tadalafil, a common prescription medication for ED. 

After four weeks, the participants who took fresh garlic juice (5 grams twice daily) and tadalafil (5 mg daily) experienced a significant improvement in erectile function compared to those who took a placebo alongside the same dose of tadalafil. 

Another study compared different supplements to determine their effects on erectile function. Researchers found that daily ingestion of a supplement containing several compounds — including aged garlic extract, ginseng, and epimedium herb (horny goat weed) — for six months improved erectile function in older men in Japan. 

2. Increases testosterone levels

Testosterone is a key hormone for sexual health, impacting everything from libido to energy levels. Animal research suggests garlic extract may help maintain or boost testosterone levels by reducing oxidative stress induced by free radicals (particularly in mice with diabetes). 

Oxidative stress can damage cells in the testes responsible for testosterone production. Rich in antioxidants, garlic can reduce oxidative stress, promoting optimal cell functioning and possibly supporting testosterone production. 

Another animal study found that S-allyl cysteine (SAC), a compound in aged garlic, significantly increased testosterone levels in mice. These studies suggest that garlic may help address testosterone decline in certain populations of mice, but more research on humans is needed. 

3. Enhances sexual stamina 

In ancient cultures worldwide, garlic was revered as an aphrodisiac and for its potential to enhance physical strength and stamina. 

Although modern scientific research hasn't definitively proven garlic's aphrodisiac qualities, the ingredient’s antioxidant and anti-inflammatory properties may help improve fitness and recovery in endurance athletes. Theoretically, this might also translate into enhanced sexual performance and endurance. 

This, coupled with garlic’s potential to improve blood flow and boost testosterone levels, may contribute to its reputation as a natural libido and stamina enhancer. 

4. Improves fertility 

Garlic's antioxidant properties can help protect testicular health and improve blood flow to the testes, where sperm production occurs. In small animal studies, garlic extract supplementation effectively improved sperm count, motility, and overall sperm health. 

A study involving 60 couples with severe male infertility undergoing in vitro fertilization (IVF) tested the effects of taking a daily antioxidant supplement containing lycopene, vitamin E, vitamin C, zinc, selenium, folate, and garlic vs. placebo. 

After three months, the group taking antioxidants saw a significantly higher viable pregnancy rate (38.5%) than the placebo group (16%), although there was no difference in fertilization rates or embryo quality. 

This suggests that garlic, as part of an antioxidant supplement, may provide benefits before IVF treatment when abnormal sperm quality is detected.

If you’re on TikTok, you may have seen the buzz about combining garlic and honey for immune health. But what about their combined effect on sexual health? 

While there's not much research specifically looking at the sexual effects of garlic and honey together, the potential of these two natural ingredients working synergistically to boost sexual health is certainly intriguing. 

Garlic's benefits for men include improved blood flow and helping maintain healthy testosterone levels, and honey also has a reputation as a natural aphrodisiac, with historical practice and animal studies suggesting it can increase testosterone levels and enhance fertility. Theoretically, garlic and honey could be a powerful duo for sexual health. 

While the jury’s still out on whether this combination has sexual benefits, the potential of garlic and honey to improve sexual health might be worth trying. Adding garlic and honey to your diet might still offer general health benefits, potentially benefiting your sex life. 

Beyond its potential effects on sexual health, garlic can offer a range of health benefits for men. From supporting heart health to boosting immunity, garlic's versatility can make it a valuable addition to a healthy diet.

Improves heart health

Garlic is known for its heart-protective properties and may prevent some forms of heart disease. It can help lower blood pressure in people with hypertension (high blood pressure), lower cholesterol levels, and improve blood flow. 

A 2025 systematic review found that long-term garlic consumption can reduce both systolic and diastolic blood pressure and increase levels of high-density lipoprotein (HDL), aka “good” cholesterol. 

Adding raw garlic, powdered garlic, or garlic oil extract supplements to your diet may benefit your heart health and, in combination with a healthy diet and lifestyle, could even lower the risk of cardiovascular disease and cardiovascular events like heart attack and stroke. 

Boosts immune function

Garlic has powerful antibacterial, antiviral, and antifungal properties that can support a healthy immune system. 

Studies show that many forms of garlic — including raw or dried garlic, garlic powder, garlic juice, garlic oil, or aged garlic extract — can boost the body’s natural defenses, helping prevent and fight infections and common illnesses, such as influenza. Another study found that aged garlic extract can reduce cold or flu severity.

Of course, garlic is not a substitute for prescription antibiotics or antiviral medications, but it still may have some beneficial (and even preventative) effects. 

Supports prostate health

Some studies suggest that garlic’s anti-inflammatory and antioxidant properties may protect prostate health by reducing the risk of benign prostatic hyperplasia (BPH) — i.e. enlarged prostate — and prostate cancer. 

In one animal study, aged black garlic extract was found to reduce inflammation in prostate tissue and slow the growth and spread of prostate cancer cells in mice. 

Meanwhile, another animal study found that garlic administration in rats with BPH reduced prostate size, suppressed key hormones and inflammatory proteins associated with BPH, and prompted cell death in prostatic tissue. 

These findings suggest garlic may have the potential to help with  BPH and overall prostate health, but more research is needed to truly determine the ingredient’s effect on prostate wellbeing in humans. 

Promotes healthy digestion

Adding garlic to your diet may improve gut health. Raw garlic has prebiotic properties that support the gut's beneficial microorganisms and reduce inflammation. Research shows that garlic enzymes may promote healthy digestion and could help prevent high-fat diet-related metabolic disorders (conditions affecting metabolism, e.g. high cholesterol). 

While eating garlic is generally safe for most people, supplementation may cause side effects in some people — aside from bad breath. These risks include:

• Stomach ache, nausea, and gas.

• Increased risk of bleeding with high amounts of garlic — especially if you already take blood thinners like Coumadin (warfarin) or aspirin. 

• Increased risk of wounds bleeding — since garlic can inhibit platelet aggregation, which means it can prevent blood vessels from healing holes (e.g. allowing a cut to stop bleeding).

• Potential risks during pregnancy or while breastfeeding (when consuming in high amounts).

Talk to a healthcare provider before taking garlic supplements to avoid an increased risk of excessive bleeding, especially if you take blood thinners.

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Garlic can be a healthy addition to your diet, potentially resulting in various health benefits. 

• Based on limited research and animal studies, garlic may boost blood flow, increase testosterone, enhance sexual stamina, and improve fertility. However, more research is needed on humans to truly understand garlic’s benefits sexually.

• Other potential health benefits of garlic include improving heart health, boosting immune function, supporting prostate health, and promoting healthy digestion.

• Consuming high amounts of garlic may cause gastrointestinal side effects and increase the risk of bleeding, especially if you already take blood thinners. 

• Talk to a healthcare provider before adding the ingredient or anything new (for that matter) to your diet and wellness routine.