Description
What is Nandrolone Decanoate?
Nandrolone Decanoate (DECA — long-acting 19-nor anabolic-androgenic steroid (injectable)) is the decanoate ester of nandrolone — C₂₈H₄₄O₃, MW 428.6. 19-nor testosterone derivative with high anabolic/low androgenic ratio. Long-acting ester (peak ~3–5 days, active ~3 weeks). Partially converts to DHN (dihydronandrolone) rather than DHT — reduced androgenic activity in 5α-reductase-rich tissues. Activates progesterone receptor.








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