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Growth Hormone Secretion

Follistatin 344

FS-344

Classification: Follistatin isoform; anabolic

Mechanism: Tissue-bound follistatin precursor; local myostatin inhibition

Benefits: Local muscle myostatin inhibition; hypertrophy research

Evidence tier: Preclinical · Availability: Research Chemical

Primary sources

  1. Amthor H et al. Follistatin complexes myostatin and antagonises myostatin-mediated inhibition of myogenesis. Dev Biol 2004. PMID 15136138
  2. Note: Follistatin-344 (FST344) is the long-form follistatin isoform used in gene-therapy constructs; cited paper describes parent follistatin / myostatin biology.

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