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BSemi-durableStandard research/education caution
CMP-0159
Not approved; prohibited in sport
4-Androstenediol
Endocrine / AAS precursor
Can raise androgenic/anabolic signaling indirectly
Reading this compound Reference only
Information below is educational. Dosing, mechanisms and status fields are compiled from the source list at the bottom of this page — always verify against a licensed clinician before use.
Reference-only summary of publicly discussed or source-listed patterns. Not medical advice and not a personal recommendation.
Mechanism & Use
- Compound type
- Steroid prohormone
- Primary mechanism
- Testosterone precursor; A:A ratio not meaningful for precursor
- Primary market use
- Prohormone supplement history
Pharmacology
- Molecular weight (Da)
- 290.44
- Oral bioavailability
- Oral; conversion-dependent
- Half-life
- ~5–60 min parent peptide; analogs may be longer
- Route tags
- Route-dependent / verify
- Evidence level
- Supplement/doping literature
- Clinical status
- Not approved; prohibited in sport
- Value-for-money score
- 3 / 10
Reported protocol signal
No popular protocol verified yet; keep as reference compound until protocol signal is added.
For orientation only. See disclaimer — always consult a licensed clinician before use.
Notes
Conversion to testosterone is limited/variable; not a direct anabolic index compound.