S-23
Also known as: S23
Classification
Sarm
Regulatory Status
not-established
Overview
S-23 is a non-steroidal selective androgen receptor modulator developed as a potential male hormonal contraceptive candidate; animal studies reported reversible spermatogenesis suppression and anabolic effects. Human efficacy/safety trials for performance use were not located.
Evidence and limitations
Human/preclinical evidence breakdown is not available in this record.
Pathways
androgen receptor agonism (selective modulator)
Interactions & cautions
Drug interactions
other SARMs, anabolic steroids, or androgenic agents — Additive hepatic, cardiovascular, or reproductive suppression risk is a class concern. (high)
These are observational flags for review, not individualized instructions.
Sources
- https://www.fda.gov/consumers/consumer-updates/fda-warns-use-selective-androgen-receptor-modulators-sarms-among-teens-young-adults (opens in a new tab)
- https://www.fda.gov/drugs/fraudulent-products/certain-bodybuilding-products-put-consumers-risk-heart-attack-stroke-serious-liver-damage-and-more (opens in a new tab)
- https://pubchem.ncbi.nlm.nih.gov/compound/67546346 (opens in a new tab)
Educational reference only — not medical advice.