Follistatin 344
Myostatin inhibitor studied for muscle growth.
For research purposes only. These products are not intended to diagnose, treat, cure, or prevent any disease. By purchasing, you confirm these products will be used for legitimate research purposes.
About Follistatin 344
Follistatin 344 is a peptide that binds and inhibits myostatin, the primary negative regulator of muscle growth. By suppressing myostatin, it is researched for increased muscle mass and improved muscle-to-fat ratio. It is a potent anabolic research compound requiring careful, cyclical use.
Key Benefits
- Inhibits myostatin
- Studied for increased muscle mass
- Improves muscle-to-fat ratio
- Potent anabolic research compound
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Category Ratings
How to Take
Common Side Effects
- Injection site reactions
- Joint discomfort
- Potential for unregulated tissue growth with prolonged use
Legal & Regulatory Status
Research use only. Not FDA-approved. Human data is from AAV follistatin gene therapy (a different modality), not the injectable protein sold as a research peptide.
Safety and regulatory details for FDA-approved compounds are drawn from the official product label via openFDA; clinical development status reflects ClinicalTrials.gov. This information is provided for research reference, is not endorsed by the FDA, and may not be complete or current.
Research & Sources
Sources are selected for reliability (peer-reviewed literature, openFDA, ClinicalTrials.gov) but this is a research summary, not medical advice, and may not be exhaustive.
Prices at quality-checked sources · as of July 2026 (3 weeks ago)
- $200.42
Observed on each vendor’s public listing — see how these sources are vetted. Peptide Concierge doesn’t sell peptides and isn’t affiliated with any vendor; confirm current pricing at the source.
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