Adult males typically have between 265 and 923 nanograms per deciliter of testosterone (ng/dL) in their blood, while adult females have far less. Typical levels vary depending on age, sex, and health.

Some people claim that certain foods, such as soy, dairy, and specific fats, can lower testosterone levels in the body. However, research into testosterone-lowering foods is limited. A person can also ...

Testosterone’s primary functions are sexual desire and function. However, low testosterone may also impact cognition, leading to symptoms like brain fog. Researchers are finding that testosterone ...