The Benefits of Grape Seed Extract on Testosterone Levels

You must've come across things that reveal to be pretty amazing although they were ignored and overlooked. Likewise, you might have spit out all those seeds of grapes while eating them. Have you ever stopped to think what these seeds constitute of? Well, I'm not suggesting that you should start chewing grape seeds from now on. It's just that the extracts of grape seed possess positive qualities for enhancing your testosterone levels.

Leaves, seeds, and sap of grapes have been used in traditional medical treatments in Europe for centuries. Even now, the grape seed extract is employed to treat different diseases.


What are the benefits of grape seed extract?


Grape seed extract is useful for cardiovascular issues all the while it can lessen injury-induced swellings and helps with eye disease associated with diabetes. Grape seed extract is immensely popular because of its accommodation of antioxidants. Antioxidants protect cells from damage and can help avert various diseases. There are many studies that prove this.

Nitric Oxide

According to Phytotherapy Research, grape seed extract can also increase nitric oxide in your body. Nitric oxide is particularly good at preventing cardiovascular disease by improving the flow of blood. As a result, nitric oxide can help in erections, and it can boost the effectiveness of your workout as your muscles will receive more oxygen and nutrients due to enhanced blood circulation.


Grape seed extract contains phenols like proanthocyanidins (oligomeric proanthocyanidins). Studies have shown that the proanthocyanidins have 20 times the greater antioxidant power than vitamin E and 50 times greater than vitamin C. Grape seed extract is beneficial in many spheres of health. This is due to its antioxidant effect to bond with collagen. Subsequently, it promotes youthful skin, cell health, elasticity, and flexibility.

Proanthocyanidins are also beneficial in protecting the body from sun damage, to improve vision, flexibility in joints, arteries, and body tissues such as the heart, and blood circulation by strengthening capillaries, arteries, and veins.


General Pharmacology published a study titled 'Protective effects of grape seed proanthocyanidins and selected antioxidants' which found that the grape seed extract is indeed effective against all metabolic stressors on the kidneys. The grape seed extract supplemented a group of the clinical study was found to have the better structural health of the kidney.

Grape Seed Extract and Testosterone

Yes, you've heard it right. Grape seed extract can increase your testosterone levels. It does that by inhibiting the activities of aromatase. Aromatase is an enzyme that converts the androgen class of hormones (such as testosterone) into the estrogen class. Plainly speaking, aromatase feminizes a man. According to Cancer Research, grape seed extract was successful in inhibiting aromatase enzyme in a dose-dependent manner through competitive and reversible inhibition.

Another study published in the same journal backs the claim. It proves that grape seed extract can block estrogen synthesis in the body.
A study published in Basic & Clinical Pharmacology and Toxicology comes to a conclusion that grape seed extract is useful herbal remedies for controlling oxidative damages and it may protect testosterone molecules from toxin and alcohol-induced testicular damage.

The supply and dosage of grape seed extract

So, you're convinced that grape seed extract can work as testosterone-booster. Unfortunately, eating grapes alone can’t provide you with enough proanthocyanidin and procyanidin into your body to produce any significant effects.

 All the above-mentioned studies used dosages equal to about 2 grams of the active ingredients. To get such a considerable quantity massive amount of grapes must be consumed. It is incomprehensible to do that. However, there is no fixed dose of grape seed extract to be consumed daily.

Doses of between 100-300 mg/day have been found to be effective in studies and are prescribed in some European countries.

That is why there are supplements out there which provide you with the benefits of proanthocyanidin and procyanidin from grape seed extract.

Some popular grape seed extract supplements are -

Grape Seed by NOW Foods

One capsule of this supplement contains 250 mg of grape seed extract which has 90% total polyphenols. Other ingredients include; extract of amla and rutin powder. You can expect vitamin C from this product as it also has amla extract.

Grape Seed Extract by Jazzee Naturals

This product has nothing but grape seed extract. Each serving of one capsule contains 400 mg of grape seed extract with 95% polyphenols in it. The product is manufactured in an FDA approved facility. It is recommended to be taken as a dietary supplement by one capsule 1 to 2 times a day with food.

Grape Seed Extract by Purethentic Naturals

Each capsule contains 300 mg of grape seed extract with 95% proanthocyanidins. The product offers a 100% money back guarantee; in case you aren't satisfied with it.

Grape Seed Extract by Best Naturals

Each capsule contains 400 mg of grape seed extract with 95% procyanidins. It is also recommended to be consumed as a dietary supplement.

Grape Seed by Prescribed Choice

 It contains extract of both grape seed and grape skin in 120:1 ratio. 400 mg of grape seed extract can be expected in each serving.

Grape Seed Extract For Boosting Nitric Oxide Levels

To moreover increase the release of nitric oxide after consuming grape seed extract, you can take L-citrulline as well. The kidneys of human body change L-citrulline into nitric oxide. This has been proven by a study published in the Journal of Parenteral and Enteral Nutrition.

You can try L-Citrulline by NOW for this purpose.

Just as grape seed extract contains proanthocyanidin and procyanidin, grape skin contains resveratrol. Obviously, red wine contains resveratrol which is a proven aromatase-inhibitor. That means it will hinder the activity of aromatase which converts testosterone into estrogen.

A study among the Archives of Pharmacal Research concludes that resveratrol has a positive effect on a male reproductive function by triggering penile erection, as well as enhancing blood testosterone levels, testicular sperm counts, and epididymal sperm motility.

You can try Resveratrol by aSquared Nutrition for this purpose.


So, you've come to know about what grape seed extract is good for. It not only benefits testosterone levels but also in cardiovascular health and other proper functioning of your body. Its ability to block estrogen and increase nitric oxide has been well proven by a fair amount of scientific studies. Nonetheless, to get any significant results from grape seeds, you really have to depend on the supplementation with potent extract.

How helpful was this article? Click a star to rate.
Yadhu Vijayakrishnan