HCG (Human Chorionic Gonadotropin) is a naturally occurring peptide hormone that mimics the
biological activity of Luteinizing Hormone (LH). In clinical and research settings, HCG is widely
used to stimulate endogenous testosterone production, maintain testicular function,
and support fertility-related pathways.
Unlike exogenous testosterone, HCG works by signaling the testes directly, preserving intratesticular
testosterone and spermatogenesis.






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