Follistatin
Also known as: FST, FS344, FS315
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Follistatin from $368/kit
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Key Facts: Follistatin
- Category
- Hormonal
- FDA Status
- Not FDA Approved
- Clinical Status
- Investigational - Gene therapy trials
- Administration
- Subcutaneous injection
- Typical Dose
- Limited community data available
- Frequency
- See research protocols
- Duration
- Variable protocols
Mechanism of Action
Follistatin binds and neutralizes myostatin, a protein that limits muscle growth. By blocking myostatin signaling, it allows increased muscle development. Also binds activins and affects FSH release.
Research Summary
Animal studies show dramatic muscle growth with follistatin overexpression. Gene therapy trials ongoing for muscular dystrophy. Research peptide versions have variable efficacy.
Dosing Information
Typical Dosingⓘ
Community experience
Limited community data available
See research dosing
See research protocols
Research Dosingⓘ
Scientific studies
Doses from research use
Doses from Studies
100-300 mcg daily
Limited standardization
Duration
Variable protocols
Administration
Subcutaneous injection
Timing & Administration
Best Time to Take
Morning
Once daily
Food Recommendation
With or without food
Why This Timing?
Follistatin inhibits myostatin. Consistent daily timing supports stable levels.
Possible Side Effects
Not everyone experiences these effects. Individual responses vary based on dosage, duration, and personal factors.
- ●Muscle soreness
- ●Injection site reactions
- ●Flu-like symptoms
- ●Slight LDL cholesterol increase
- ●Potential FSH suppression
- ●Product quality concerns (black market)
References
- https://pubmed.ncbi.nlm.nih.gov/19208403/
- https://pubmed.ncbi.nlm.nih.gov/27858738/
- https://pubmed.ncbi.nlm.nih.gov/20368179/
Research This Peptide Further
Buy in shop
Follistatin from $368/kit
2 verified vendors, ≥99% purity, COAs included.
Frequently Asked Questions
What does Follistatin do?
A naturally occurring protein that inhibits myostatin. Studied for muscle growth and dystrophy conditions.
How does Follistatin work?
Follistatin binds and neutralizes myostatin, a protein that limits muscle growth. By blocking myostatin signaling, it allows increased muscle development. Also binds activins and affects FSH release.
Is Follistatin FDA approved?
No, Follistatin is not currently FDA approved. Current status: Investigational - Gene therapy trials
What are the side effects of Follistatin?
Reported side effects include: Muscle soreness, Injection site reactions, Flu-like symptoms, Slight LDL cholesterol increase, Potential FSH suppression. Individual responses vary based on dosage, duration, and personal health factors.
What is the typical dose of Follistatin?
Community-reported common dose: Limited community data available (See research protocols). Range: See research dosing. Administration: Subcutaneous injection. Community-reported doses. Not medical advice. Consult healthcare provider.
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