Also known as: Potent SARM
S-23 is a synthetic peptide classified as a high-affinity androgen receptor (AR) modulator. It falls under the category of anabolic and myostatin peptides, designed to mimic the effects of testosterone while minimizing potential side effects. Developed primarily for research purposes, S-23 has garnered attention for its potential applications in muscle growth and fat loss.
S-23 operates by binding to androgen receptors in the body, which are crucial for mediating the effects of androgens like testosterone. Once bound, it activates these receptors, promoting anabolic processes such as muscle hypertrophy and increased strength.
The peptide's selective action allows it to enhance muscle mass and strength without the full spectrum of side effects typically associated with anabolic steroids. This selectivity is thought to stem from its unique chemical structure, which allows for a more targeted interaction with androgen receptors.
S-23 is a potent high-affinity androgen receptor modulator that shows promise in enhancing muscle growth and fat loss. Its selective action makes it a valuable subject of research in the field of anabolic peptides, with potential implications for athletic performance and body composition.
Last updated: Feb 25, 2026