Healing Category
Follistatin
THE MYOSTATIN BLOCKER
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Follistatin is a naturally occurring protein that blocks myostatin and activin, two signals that limit muscle growth. By neutralizing these brakes, follistatin allows muscles to grow larger and stronger. It's also shown promise for hair regrowth and may help reduce fibrosis in organs like the liver.
Follistatin Evidence Snapshot
How these guides are reviewed- Regulatory status
- Not FDA approved · research use only
- Dosing guidance
- Reviewed by our clinical team
- Linked evidence
- Sources pending
- Content updated
- Aug 28, 2026
Dose and schedule recommendations shown below come from The Peptide App Clinical Team. Research links are provided so readers can inspect the supporting evidence directly.
Quick Answers About Follistatin
Is Follistatin FDA approved?
No. This profile records Follistatin as not FDA approved and for research use only.
More context
Review the regulatory and source details on this page for the current context.
What dose does The Peptide App Clinical Team recommend for Follistatin?
Dose: 100-300 mcg daily for 1-4 weeks.
More context
Schedule: daily. Cycle: 2 weeks on, 4 weeks off. This is clinical-team guidance for reference and does not replace individualized instructions from a licensed clinician.
What research supports this Follistatin guide?
No linked research sources are currently available on this guide.
More context
Treat the profile as provisional until supporting sources are published.
What are the side effects of Follistatin?
Reported side effects of Follistatin include Injection site reactions and Potential long-term effects unknown.
More context
They are reported or occasional reactions, not a prediction of what any one person will experience.
Is Follistatin safe?
Follistatin has an editorial safety grade of B (Good Safety).
More context
Generally well-tolerated. Long-term safety under investigation. Safety depends on dose, sourcing, health history and medical supervision, so this page does not call it safe for personal use.
Studied Effects & Mechanisms
Myostatin Blocker
Binds and neutralizes the muscle-limiting myostatin signal
Muscle Growth
Removes brakes on muscle cell proliferation and growth
Hair Growth
Stimulates hair follicles through Wnt/β-catenin pathway
Who is this for
Bodybuilders seeking natural muscle growth · People with muscle-wasting conditions · Those experiencing hair loss · Athletes wanting enhanced recovery · Anyone interested in myostatin inhibition
Follistatin price snapshot
In-stock prices from 1 vendor, checked Oct 14, 2026.
- Vendors
- 1
- Listings
- 1
- Observed range
- $250–$250
Market evidence
Follistatin product testing and COAs
We found certificates from a few of the Follistatin vendors we track. Based on the certificates our crawler found; vendors may publish more than we index. Research on this page describes the molecule. Vendor certificates concern particular market samples or batches; they do not change the research evidence or establish clinical safety, sterility, or suitability for use.
The clinic network
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