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Testosterone Levels By Age Chart. Below youll see a neat chart based on findings by Dutch scientists that shows how age affects T levels in men. Total and Free Testosterone Levels by Age Chart In healthy non-obese men aged 20-40 normal.
10 to 11 years. Are you experiencing low energy perhaps even a decreased sex drive. The Testosterone Levels by Age Chart.
15 to 16 years.
Testosterone levels in men. Less than 7 to 800. Levels fluctuate by age peaking around puberty and then gradually declining after the age of 30. Less than 7 to 45.