This page is reference information only. Most compounds described here are research chemicals, not FDA-approved medications. MyTRT does not sell these substances directly — links to suppliers are affiliate partnerships and generate a commission. Always consult a qualified physician.
S23
Selective Androgen Receptor Modulator (SARM)
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/WHAT_IT_IS
S23 is a potent SARM known for its anabolic effects and potential as a male contraceptive by suppressing sperm production.
/USAGE
Explored for its ability to increase lean muscle mass and reduce fat without significant androgenic side effects.
/MECHANISM_OF_ACTION
Binds to androgen receptors in muscle and bone tissues, promoting growth while reducing activity in reproductive tissues.
Reported Benefits
- +Promotes lean muscle gains
- +Reduces body fat
- +Preserves bone density
- +Potential male contraception research
Reported Side Effects
- −Testosterone suppression
- −Mood changes
- −Aggression (in some cases)
/STACKED_WITH
/RESEARCH_NOTES
Requires PCT in post-cycle studies; known for strong binding affinity and suppression effects.
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