How do your genes influence testosterone levels?

While bodybuilding and athletes may come to mind with the word testosterone, it is actually an important hormone for all men and women.

This article investigates testosterone and the genetic variants that influence your natural "T" levels. It concludes with Lifehacks to boost low testosterone levels.


In men, low serum testosterone levels are linked to an increased risk of:

  • metabolic syndrome
  • type-2 diabetes
  • atherosclerosis
  • heart disease mortality.[ref][ref]

In women, increased testosterone levels are a risk factor for fatty liver disease.[ref] Higher testosterone levels in women with PCOS are also associated with insulin resistance and higher fasting glucose levels.[ref]

While age, diet, and lifestyle choices play a role in testosterone levels, there is also a fairly strong genetic factor at play. Studies of male siblings estimate that the heritability, or genetic component, of testosterone levels, is around 70%.[ref]

Testosterone Genetic Variants:


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