Testosterone
Testosterone is the primary male sex hormone governing muscle mass, libido, energy, and mood. Levels peak in early adulthood and decline gradually with age, but lifestyle factors — sleep, exercise, body composition, and stress — have a significant impact at every age.
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Frequently Asked Questions
›What are normal testosterone levels for men?
Total testosterone typically ranges from 300–1000 ng/dL for adult men, though reference ranges vary by lab. Levels naturally decline around 1% per year after age 30. A blood test (ideally morning fasting) is required for an accurate reading.
›Can you raise testosterone naturally?
Yes. Resistance training, adequate sleep (7–9 hours), maintaining a healthy body weight, reducing chronic stress, and optimising vitamin D and zinc intake are all evidence-backed ways to support healthy testosterone levels.
›What is TRT and who needs it?
Testosterone Replacement Therapy (TRT) is a medical treatment prescribed for clinically diagnosed hypogonadism — not simply 'low-normal' levels. It requires a thorough medical evaluation including blood work, symptom assessment, and monitoring for side effects.
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