Also known as: FS-344
Follistatin 344 is a myostatin-binding glycoprotein classified under anabolic and myostatin peptides. It is a naturally occurring protein that plays a crucial role in muscle growth and development by inhibiting myostatin, a negative regulator of muscle mass. Follistatin 344 is derived from the follistatin gene and is known for its potential applications in enhancing muscle hypertrophy and strength.
This peptide has garnered attention in the field of sports science and muscle research due to its ability to promote muscle growth by blocking myostatin activity. As a result, it is often studied for its implications in muscle-wasting conditions and athletic performance enhancement.
Follistatin 344 functions primarily by binding to myostatin, a protein that inhibits muscle differentiation and growth. By blocking myostatin's action, Follistatin 344 allows for increased muscle cell proliferation and differentiation, leading to enhanced muscle mass and strength.
The peptide operates through a complex interaction with various signaling pathways involved in muscle development, particularly the TGF-beta superfamily. This interaction not only promotes muscle growth but also influences other biological processes related to muscle health.
Follistatin 344 is a significant peptide in the realm of muscle biology, primarily known for its ability to inhibit myostatin and promote muscle growth. Its relevance spans various research applications, particularly in muscle hypertrophy and recovery, making it a focal point in studies related to athletic performance and muscle health.
Last updated: Feb 25, 2026