S4 Andarine is a SARM compound that causes increased activity at androgen cells, leading to increased protein synthesis. A key property of S4 is preventing catabolism, making it perfect on a cutting cycle when a user is more likely to lose muscle, those taking s4 will find they will become more defined, vascular, and perform better despite cutting.
For adults only. Do not use it if you are pregnant or nursing. Keep out of the reach of children.