Testosterone: More Than Just a Sex Hormone
Testosterone is a key hormone for male health. It plays a role in sperm production, muscle mass, bone strength, and sex drive. It’s what makes a man a man, in many ways.
But defining “normal” testosterone levels isn’t straightforward. What’s considered normal varies based on age, individual differences, and how testosterone is measured. While some labs in the U.S. measure testosterone in nanograms per deciliter (ng/dL), other labs — including those in many other countries — measure it in nanomoles per liter (nmol/L).
This article provides a comprehensive guide to what are considered normal testosterone levels in males nmol/l, the factors that influence those levels, and the implications for diagnosing and treating low testosterone.