T at work – strong muscles

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This is probably the most well-known thing that testosterone (T) does when it is used by the body. When T is made during puberty, bodies often use it to help build muscle tone and grow stronger.

Bodies build muscle, even if they don’t respond to T or don’t have it.   It’s just that, when the hormone T is used in the body, it can help the body grow even more muscular in response to exercise.