Peptides that block the myostatin signaling cascade, removing the genetic brake on skeletal muscle growth.
Target: Activin / myostatin (GDF-8) binding
Follistatin-344 is a synthetic version of the naturally occurring follistatin protein that inhibits myostatin and activin signaling. By blocking these muscle-growth suppressors, it promotes significant increases in lean muscle mass. Widely researched for muscle-wasting conditions, athletic performance, and body composition.