Side effects and watch-outs
- ⚠️ Extremely limited human safety data
- Cardiac hypertrophy risk unknown
- Uncontrolled muscle growth in animals
- Potential organ overgrowth
- NOT recommended for unsupervised human use
Peptide / Muscle
Follistatin-344
Myostatin inhibitor and activin binding protein. Dramatically increases muscle mass in animal models. Very limited and uncertain human safety data. ⚠️ Considered experimental and high risk.
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.