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Peptide Therapy GuideClear peptide education

Understand the source comparison

Summary comparison table

Compound Mechanism Muscle effect Key safety concern Status Soluble ActRIIB (ligand trap) Strong (+5.1% thigh volume) Vascular (BMP9/10) Discontinued 2013 ACE-083 Modified follistatin-Fc (local) Moderate (MRI increase) Lack of functional benefit Discontinued Bi

No winner is assigned.

This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.

  • Compound
  • Mechanism
  • Muscle effect
  • Key safety concern
  • Status
  • Soluble ActRIIB (ligand trap)
  • Strong (+5.1% thigh volume)
  • Vascular (BMP9/10)
  • Discontinued 2013
  • ACE-083
  • Modified follistatin-Fc (local)
  • Moderate (MRI increase)
  • Lack of functional benefit
  • Discontinued
  • Bimagrumab
  • ActRII/IIB antibody (receptor block)
  • Moderate (+4.4% lean mass)
  • Generally well-tolerated
  • Active trials (metabolic)
  • Glycoprotein (broad ligand trap)
  • Moderate (~15% animal)
  • Possible bone density loss
  • Gene therapy trials
  • MYO-029
  • Anti-myostatin antibody
  • Weak (no significant gains)
  • Generally safe
  • Discontinued (ineffective)
  • Domagrozumab