Follistatin 344
Myostatin inhibitor that promotes muscle growth and strength
Clinical Research Score: 3/5 — Follistatin gene-therapy has reached human clinical trials for muscular dystrophy, but the standalone peptide is largely unproven.
Categories: Performance & Energy, Hormonal Support
What is Follistatin 344?
Follistatin removes the brakes from muscle growth. Your body naturally produces myostatin — a protein that limits how much muscle you can build. It's an evolutionary governor that keeps muscle mass in check. Follistatin neutralizes that governor, allowing muscle growth to proceed beyond its usual limits.
People report faster and more pronounced muscle gains from the same training program. Strength increases that had plateaued begin climbing again. Body composition shifts noticeably toward more lean mass. Recovery between intense workouts improves, allowing for more productive training sessions.
This is an advanced compound in the muscle-building space — it's powerful and targeted. The effects are most dramatic when combined with consistent resistance training, as it amplifies the body's response to the training stimulus. For strength athletes or anyone who has hit a genuine genetic ceiling in muscle development, Follistatin represents a fundamentally different approach to the problem.
How Follistatin 344 works
Follistatin is a naturally occurring protein that acts as a trap for myostatin and activin — both of which actively suppress muscle growth. By binding and neutralizing these inhibitors, Follistatin removes the molecular brakes on muscle hypertrophy. This allows satellite cells (muscle stem cells) to activate more freely, leading to increased muscle fiber growth and repair. It's not adding a growth signal — it's removing the stop signal, which allows your natural muscle-building machinery to work at full capacity.
Scientific overview
Follistatin 344 is a naturally occurring glycoprotein that acts as an antagonist to several members of the TGF-beta superfamily, most notably myostatin and activin. By binding and neutralizing myostatin, follistatin removes the natural brake on muscle growth, allowing for increased muscle hypertrophy. It also plays roles in reproductive biology and inflammation regulation.
Dosing
- Starting dose: 50 mcg per day
- Common dosage range: 100 mcg per day
- Administration: Subcutaneous
- Half-life: Variable
- Frequency: 1x daily for 10-30 day cycles