Vitamin D and Testosterone: The link between


Testosterone is a hormone produced by the pituitary gland in males and by the ovaries in females. Vitamin D is one of the 24 essential vitamins needed by the body for survival and it affects more than 1000 body functions, so any fluctuations in the levels of vitamin D can disrupt many functions. There is a clear connection between vitamin D levels and testosterone levels in the body as the former affects a lot of endocrine functions.

Vitamin D is generally got by skin exposure to sun, it is a fat soluble vitamin and is absorbed in the small intestine and stored in the body tissues. It stays longer in the body when compared to water soluble vitamins and so overdosing on Vitamin D can lead to toxicity as well.

Recent studies correlating Vit D and Testosterone

A study found that men who had sufficient vitamin D in their body had significantly higher levels of testosterone in the body than men who had insufficient vitamin levels. It also states that older men who are on vitamin D supplements are less likely to have low testosterone in the body.

An Australian study showed that older men are more prone to fractures and have less free testosterone levels when they suffer from insufficient vitamin D.

There is also a study which has evidence that bright light exposure signals the brain to release luteinizing hormone, which triggers testosterone production. So being out in the sun is a good idea for the testosterone levels.

A year of Vitamin D supplementation in a healthy male for over a year can result in 25% more testosterone levels. But this might not be the case if the person already has optimal levels of Vitamin D in the body.

A German research conducted on placebo-controlled study of vitamin D3 showed an increase in the testosterone levels after the participants were placed on D3 supplements.

Vitamin D and bodybuilding – the connection

Vitamin D3 plays a major role in bone growth and in maintaining the bone health. And in reality vitamin D3 acts as a hormone rather than a vitamin. It helps in stimulating the pituitary gland in producing testosterone hormone. Which in turn helps increase the endurance and performance of the person as a whole. D3 is a hormonal type of vitamin and is important for bodybuilders.

Testosterone is important for helping deepen voice, boost sex drive and builds muscles. When a bodybuilder with sufficient testosterone levels, follows an exercise regimen along with a proper protein rich diet he can see an increase in the muscle mass and strength along with an increase in endurance and performance. But testosterone declines with age, so supplementing diet and additional natural testosterone boosters helps the body in releasing the hormone and maintaining a healthy body.

Vitamin D3, omega 3 fatty acids, amino acids, zinc etc are main natural boosters of testosterone. Very low testosterone levels demands the bodybuilder to use either supplements to boost the production of testosterone or take testosterone supplements itself.