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Growth Hormone Secretion

Follistatin 315

FS-315

Classification: Follistatin isoform; anabolic

Mechanism: Circulating follistatin; heparin-binding; systemic myostatin inhibition

Benefits: Systemic myostatin inhibition; lean mass preservation

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-315 (FST315) is the major circulating follistatin isoform; cited paper describes parent follistatin / myostatin biology. No isoform-specific clinical trial data available.

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