Comparative Pharmacology
Head-to-head clinical analysis: NANDROLONE DECANOATE versus WINSTROL.
Peer-Reviewed Evidence
Head-to-head clinical analysis: NANDROLONE DECANOATE versus WINSTROL.
NANDROLONE DECANOATE vs WINSTROL
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Nandrolone decanoate is an anabolic-androgenic steroid (AAS) that binds to androgen receptors (AR). Upon binding, it activates AR-mediated gene transcription, leading to increased protein synthesis, muscle growth, and bone density. It also exhibits some estrogenic activity via partial aromatization and progestogenic effects. It stimulates erythropoietin production in kidneys, increasing red blood cell mass.
Winstrol (stanozolol) is an anabolic steroid derived from dihydrotestosterone. It binds to androgen receptors, increasing protein synthesis and inhibiting catabolic glucocorticoid activity, leading to enhanced muscle growth and reduced inflammation.
50-200 mg intramuscularly every 2-4 weeks
Adults: 2 mg orally three times daily, or 50 mg/mL intramuscularly once monthly (3-4 week intervals) for anabolic effect. Dose range: 1-3 mg/kg/day for hereditary angioedema.
None Documented
None Documented
Clinical Note
moderateAcarbose + Nandrolone decanoate
"Acarbose may increase the hypoglycemic activities of Nandrolone decanoate."
Clinical Note
moderateSunitinib + Nandrolone decanoate
"Sunitinib may increase the hypoglycemic activities of Nandrolone decanoate."
Clinical Note
moderatePrednisolone + Nandrolone decanoate
"Prednisolone may increase the fluid retaining activities of Nandrolone decanoate."
Clinical Note
moderateDexamethasone + Nandrolone decanoate
Terminal elimination half-life: approximately 6-7 days (range 4-14 days) after intramuscular injection; this long half-life supports every 2-4 week dosing intervals.
Terminal elimination half-life: 9-10 hours for oral administration (stanozolol); parenteral (IM) half-life extends to ~24 hours due to slow release from injection site. Clinical context: supports once-daily oral dosing or weekly IM dosing.
Renal: ~90% as metabolites (glucuronide and sulfate conjugates of 19-nortestosterone and its metabolites); fecal: ~6%; due to extensive hepatic metabolism, unchanged drug is not excreted in significant amounts.
Primarily renal: 90% as metabolites (glucuronide and sulfate conjugates) and 10% as unchanged drug; minor biliary/fecal elimination (<5%).
Category C
Category C
Anabolic Steroid
Anabolic Steroid
"Dexamethasone may increase the fluid retaining activities of Nandrolone decanoate."