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Educational Wellness Information Only

This platform provides peer-reviewed research summaries and educational content about peptides for wellness and optimization purposes. Nothing on this site is intended as medical advice, diagnosis, or treatment. We do not claim any peptide can diagnose, treat, cure, or prevent any disease. Always consult a licensed healthcare provider before beginning any wellness protocol.

Statements on this site have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability and eligibility vary.

Muscle · Myostatin Inhibition

Follistatin 344 Peptide

Myostatin-binding protein fragment researched for muscle growth.

Wellness category: Performance
Medically reviewed for educational accuracy
Published Last reviewed

What is Follistatin 344?

Follistatin 344 is a muscle · myostatin inhibition peptide studied for muscular dystrophy models and skeletal muscle hypertrophy. Below is an educational overview of Follistatin 344 peptide benefits, mechanism, common research protocols, dosage references, and known side effects.

Follistatin 344 Mechanism of Action

A naturally occurring glycoprotein that binds and neutralizes myostatin and activin, releasing the natural brake on skeletal muscle growth in preclinical models.

Follistatin 344 Research Areas & Benefits

Muscular dystrophy models
Skeletal muscle hypertrophy
Age-related sarcopenia (preclinical)

Follistatin 344 Dosage & Common Research Protocols

Subcutaneous research dosing

Short cycles in animal hypertrophy studies.

Protocols summarized for educational reference from published research. Not dosing guidance.

Follistatin 344 Studies & Cited Research

[1]Science Translational Medicine·2009 Peer-reviewed

Follistatin gene delivery enhances muscle growth and strength

Demonstrated durable hypertrophy in primate models.

Why we trust this source: Published in a peer-reviewed scientific journal with editorial and reviewer oversight.

Citations are linked to PubMed, Google Scholar, and Crossref searches so you can verify the source independently. All references are reviewed during our editorial passes (last reviewed June 1, 2026).

Follistatin 344 Side Effects & Safety Considerations

  • Off-target effects on activin signaling (reproductive, cardiac) are a concern.
  • Not FDA-approved; banned by WADA.

Common questions about Follistatin 344

More Performance peptides · See all 14

Educational Information Only — Not Medical Advice

All content on this page is for educational and informational purposes only. It is not medical advice, diagnosis, or treatment. We make no claims that any peptide can diagnose, treat, cure, or prevent any disease. Peptides discussed are not FDA-approved for the indications listed unless explicitly stated otherwise.

Always consult a licensed healthcare provider before beginning any wellness protocol. Statements have not been evaluated by the FDA. Compounded preparations are subject to applicable state and federal regulations. Availability, eligibility, and pricing may vary.

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