HCG
FDA approvedAlso known as: Pregnyl, Novarel
The TRT companion — preserves testicular function and fertility during testosterone replacement.
Mechanism
Gonadotropin (LH analog). The TRT companion — preserves testicular function and fertility during testosterone replacement. For full mechanism, dosing protocol, and stacking guidance, ask the AI Advisor or open the compound in-app.
Peer-Reviewed Studies (2)
HCG Maintains Intratesticular Testosterone in Men on TRT
Low-dose HCG preserved intratesticular testosterone and spermatogenesis.
PubMed PMID 15728210 →HCG for Hypogonadotropic Hypogonadism
Established protocol for HCG in men seeking fertility preservation.
PubMed PMID 31237099 →