Follistatin 344
A naturally occurring protein that inhibits myostatin - the biological brake on muscle growth. Used by advanced bodybuilders targeting extreme lean mass gains.
People use this for
Benefit Profile
Follistatin 344's fingerprint across categories
Community Interest
Report volume over 12 months
Reported Benefits
3 of 3Muscle Growth via Myostatin Inhibition
Strongly Positive"Follistatin 344 broke through my plateau. Myostatin inhibition is real. Gained lean mass I couldn't get naturally."
Lean Mass Development
Strongly Positive"Quality lean gains with Follistatin. Not water weight, actual muscle tissue. Advanced compound for serious lifters."
Recovery Enhancement
Positive"Recovery between sessions improved. Can handle more volume. Follistatin is working synergistically with my protocol."
Reported Side Effects
Long-term human safety data is limited.
Follistatin regulates FSH - monitor hormones.
Local inflammation at IM injection sites.
Dosing Patterns
Most Popular: IM at 100 mcg
70% of community members report using this dosing protocol per injection site (im into target muscle). Individual responses vary — start low and adjust based on your experience.
Commonly Stacked With
Frequently Asked
Follistatin 344 inhibits myostatin, the protein that limits muscle growth. Research peptide - not FDA-approved. May affect FSH, so hormone monitoring is recommended. Advanced use only with short cycles and extended breaks.