Myostatin Propeptide
GDF-8 Propeptide (Myostatin Inhibitor)
Amino Acids
N/A
Molecular Weight
~28,000 Da
Half-life
~hours (estimated)
Research Score
3.9
Studies
67
Storage
N/A
What is Myostatin Propeptide?
Myostatin Propeptide is the natural inhibitor of myostatin (GDF-8), the protein that limits muscle growth. By binding to and neutralizing myostatin, the propeptide removes the biological brake on muscle development. Animals with myostatin mutations display extreme muscularity, validating this target.
Key Benefits & Mechanisms
Natural myostatin inhibition
Promotes muscle hypertrophy
Removes muscle growth limitation
Increases lean body mass
May improve muscle quality
Does not require exercise (in animal models)
Complementary to follistatin
Research Summary
Myostatin inhibition has strong proof-of-concept from genetic studies (myostatin knockout animals and rare human cases). Direct propeptide administration data is limited. Multiple pharmaceutical approaches to myostatin inhibition are in clinical development for muscular dystrophies.
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