Follistatin 344
t½ 2 hoursA naturally occurring glycoprotein that inhibits myostatin and activin, studied for its potential to promote muscle growth and reduce fibrosis.
Dosing Ranges
Conservative
Starting dose
Standard
Standard dose
Aggressive
Aggressive dose
Doses are in mcg per kg of body weight. Use the Dosage Calculator to get your exact dose.
Protocol Details
Frequency
1x daily
Cycle Length
10–30 days (short cycles only)
Administration
Subcutaneous injection
Research Notes
- 1Myostatin inhibition can promote muscle growth beyond normal genetic limits.
- 2Variable half-life due to binding dynamics — exact PK not fully characterized.
- 3Short cycle lengths recommended due to limited long-term safety data.
- 4Follistatin 315 is the more tissue-specific isoform; 344 has broader activity.
Common Vial Sizes
Calculate your dose
Enter your body weight to get your exact dose in mcg for Follistatin 344.
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Where to source peptides
Research Use OnlyApollo Peptides
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For informational and research tracking purposes only. Not medical advice. Always consult a qualified healthcare professional before starting any peptide protocol.
User Reviews
PepStack is for research and educational purposes only. This is not medical advice. Always consult a qualified healthcare provider before using any peptides. Dosing data is sourced from published research and community protocols — verify with your provider.
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