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Regulatory ban. This ingredient is banned or restricted in one or more countries. See Regulatory Status below.
CAU
Androstenedione
Androstenedione (androgen precursor)
Use with Caution
V1 Verified
Specialty Nutrients
PubMed Studies
673
PubChem CID
About
Androstenedione is a direct precursor to testosterone and oestrogen. Once popular as sports supplement.
How it works (mechanism of action)
Provides targeted nutritional substrate or pharmacological activity for specific biochemical pathways not adequately supported by standard dietary intake. Mechanism involves enzyme cofactor provision, receptor modulation, or membrane structural modification.
⚖️ Regulatory Status
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AU — Banned
TGA Schedule 4 (2005) — prescription only. Not permitted as complementary medicine.
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CA — Banned
Health Canada (2006) — Schedule IV controlled substance under Controlled Drugs and Substances Act.
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EU — Banned
EU — androstenedione classified as anabolic steroid. Prohibited as food supplement across all EU member states.
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GB — Banned
MHRA (2005) — anabolic steroid under Misuse of Drugs Act. Possession and supply controlled.
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US — Banned
Schedule III controlled anabolic steroid under Anabolic Steroid Control Act 2004. Banned from dietary supplements. DEA enforcement.
👥 Safety by Population
🚫 Contraindications & Warnings
Banned in sport worldwide. Androgenic side effects. Oestrogen conversion: gynecomastia risk. Not recommended as supplement.
🏷️ Other Names
Androstenedione (androgen precursor)