Description
Follistatin 315 1 mg Peptide Sciences — Backed by a rigorous commitment to quality, designed for targeted physiological enhancement. Manufactured under strict quality standards. This formulation is dosed at 1 mg per unit.
Key Benefits
- Myostatin-binding protein — inhibits myostatin-driven muscle-growth ceiling
- Research interest in muscle-wasting and sarcopenia reversal
- SubQ dosing, short pulse courses
- No HPTA impact; no PCT required
- Synergistic with resistance training protocols
- Each unit dosed at 1 mg — see Recommended Dosage below for protocol-specific intake
Recommended Dosage
Research dosing: 100 mcg/day SubQ for 10 days, typically 2–3 cycles per year. Higher-dose protocols (300 mcg/day) exist in research literature.
How It Works
Endogenous protein that binds and neutralises myostatin and related TGF-β superfamily members (activin, GDF-11). Myostatin is a negative regulator of muscle growth — inhibiting it uncaps the hypertrophy ceiling. Research compound with limited human safety data.
Pharmacokinetics
Plasma half-life approximately 30 hours for follistatin-344 variant. Daily dosing with pulse protocols. Reconstituted fridge-stable 4–6 weeks.
Potential Side Effects
Research-grade compound with limited safety data in humans. Short pulse protocols preferred. No documented HPTA impact.
Cycle & Stacking Guide
10-day pulses, 2–3× yearly. Paired with resistance training during the pulse for maximal hypertrophy effect. Stackable with standard AAS cycles.
Manufacturer Notes
Peptide Sciences is a research-only peptide manufacturer with HPLC-verified purity documentation on every SKU. Vials are lyophilised and ship with a third-party assay report.
Storage & Handling
Store at recommended temperature (15–25°C; peptides and HGH at 2–8°C after reconstitution). Protect from light and moisture. Keep out of reach of children. For research and educational purposes only.





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