Stanozolol

Stanozolol is a synthetic anabolic-androgenic steroid derived from dihydrotestosterone. It has been used to treat conditions including hereditary angioedema and is prohibited in competitive sport.

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Androgen receptor: A nuclear receptor activated by testosterone and related hormones that regulates gene expression. Stanozolol produces many of its effects by activating this receptor.
Hereditary angioedema: A genetic disorder causing recurrent episodes of swelling in the skin, airways, or gastrointestinal tract. Stanozolol was used to prevent attacks by increasing production of a complement-regulating protein.
Anabolic steroid adverse effects: Harmful physical and psychological effects associated with anabolic-androgenic steroid use. Stanozolol shares this drug class’s hormonal, cardiovascular, and metabolic risks.
Oxandrolone: An oral anabolic-androgenic steroid derived from dihydrotestosterone and used medically in selected cases. It is another oral DHT-derived steroid, but differs in structure and clinical history.
Anabolic steroid: A synthetic or naturally occurring steroid that promotes anabolic effects and may also produce androgenic effects. Stanozolol belongs to this broader drug class.
Doping in sport: The use of prohibited substances or methods to enhance athletic performance. Stanozolol is taken illicitly for muscle and strength gains.
Cholestatic liver injury: Liver damage in which impaired bile flow causes bile acids to accumulate. This severe form of liver injury has been linked to stanozolol use.
Nandrolone: An anabolic-androgenic steroid structurally related to testosterone and used in some medical settings. Its chemical family and androgenic profile differ from stanozolol’s DHT-derived structure.
Dihydrotestosterone: A potent androgen formed from testosterone by the enzyme 5α-reductase. Stanozolol’s chemical structure is derived from this hormone.
World Anti-Doping Agency: An international organization that coordinates anti-doping rules and activities in sport. Its prohibited list bans stanozolol at all times in competition and outside it.