Follistatin 344

Research

A naturally occurring protein that inhibits myostatin and activin. Researched for its potential to dramatically increase muscle mass and reduce fat.

Muscle GrowthBody Composition

Half Life

Unknown

Time to Results

4-8 weeks

Administration

SubQ injection, Intramuscular

Griffin the guinea pig research guide

๐Ÿพ Griffin's Research Scorecard

Research Strength
Human Data
Animal Data
Long-Term Data
Beginner Friendly
Storage Difficulty
Injection FrequencyDaily during cycles
Cost$$$

๐Ÿพ Griffin Says...

Follistatin removes the brake on muscle growth. Myostatin normally limits how much muscle you can build, and follistatin inhibits it. Animal studies are dramatic. Human data is very limited. This is advanced territory that warrants serious caution.

Benefits

  • Myostatin inhibition
  • Potential significant muscle growth
  • Fat reduction
  • Anabolic effects

Best For

  • Advanced muscle research
  • Myostatin inhibition research

Body Systems

MusculoskeletalEndocrine

Mechanisms of Action

  • Binds and inhibits myostatin and activin
  • Removes natural brake on muscle growth
  • Promotes muscle hypertrophy

Side Effects

EffectFrequencySeverity
Injection site painCommonMild
Potential cardiovascular effects with excessive muscle massRareSerious

Contraindications

Cardiovascular conditions, active cancer, pregnancy

Peptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.

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