High protein diet lowers testosterone levels

A new study has shown that a high-protein and low-carbohydrate diet can lower testosterone levels.

Many regimes exist. In general, athletes favor a diet high in protein, also known as a high protein diet. The latter is typically made from meat, fish, eggs and protein powder. However, it would not be without risks to testosterone. Indeed, a recent study published in the journal nutrition and health Just found out on March 7, 2022 that High protein diet can reduce testosterone levels in men by up to 37%, This would thus indicate an increase in the risk of infertility as well as a decrease in sperm count.

How does a high protein diet affect testosterone levels?

To reach this conclusion, a group of researchers from the University of Worcester in England (United Kingdom) analyzed 27 studies that included more than 300 men. For information, low levels of testosterone are directly linked to a higher risk of certain chronic diseases, such as heart disease, diabetes or Alzheimer’s disease.

The study suggests that there was no change in testosterone in those on a moderate protein diet and low in carbohydrates. However, those on the high-protein, low-carb diet had lower testosterone levels that ” Very little (…) at rest and after exercise. “. Therefore, the researchers suggest that People consuming such a diet should be wary of adverse endocrine effects ,

In detail, work shows that volunteers who consumed more than 35% of protein intake showed a sharp decrease in testosterone levels. The latter fell 37%. To avoid this situation, study lead author Joseph Whitaker recommended that these people ” Do not exceed their protein intake by more than 25% In addition to this finding, the researchers reported that the low-carb diet resulted in an increase in the hormone cortisol. As a reminder, high levels impair the immune system and can make the body more vulnerable to viral infections.

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