What Are Normal Testosterone Levels for Men by Age
Testosterone is an important hormone for men that plays a key role in muscle strength, bone density, mood, and overall energy. It naturally changes over time and can be influenced by health conditions or lifestyle. Understanding the normal testosterone levels for men by age helps in identifying whether any imbalance exists and what can be done about it.
Normal Testosterone Levels by Age
Testosterone levels are measured in nanograms per deciliter (ng/dL) through a blood test. These levels vary across different age groups:
Adolescents (12–18 years): Testosterone rises rapidly during puberty, ranging between 300 to 1,200 ng/dL depending on the stage of development.
Young Adults (19–39 years): The peak is usually reached in this stage, ranging from 600 to 950 ng/dL for most men.
...