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Understanding Testosterone Decline with Age
After peaking, testosterone levels in men decline gradually at a rate of about 1% in total testosterone and 2 to 3% in free testosterone per year. However, individual factors like age, lifestyle, and genetics play a role in the decline. While a decline in testosterone levels is common post age 30-35, some individuals can maintain high levels well into their senior years. Factors such as pituitary output, testicular response, lifestyle, and diet influence the need for testosterone replacement therapy (TRT). It is crucial to assess the individual's specific situation before considering TRT, as high natural testosterone production might make exogenous TRT unnecessary.