Follistatin is a compound made of protein and sugar molecules – a glycoprotein.

Follistatin increases in muscle tissue in response to muscle damage and plays a role in promoting cell growth throughout the body.

Follistatin has gained attention in the bodybuilding community due to claims that it can significantly boost muscle mass,follistatin stimulated the development of muscle cells, leading to enhanced muscle growth and repair.

Follistatin also increased life expectancy in mice with spinal muscular atrophy, a genetic disease that involves muscle wasting. This suggests that follistatin could be used as a therapy technique due to its positive effects on muscle maintenance and growth.