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    GlossaryFree Testosterone

    unbound testosterone available for immediate use by tissues

    Free Testosterone refers to the fraction of testosterone in the bloodstream that is not bound to proteins like sex hormone-binding globulin (SHBG) or albumin. This unbound testosterone is biologically active and readily available for tissues to use, playing a crucial role in various bodily functions such as muscle growth, mood regulation, and sexual health.

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