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Understand the source comparison

Wolverine Stack Animal vs Human Research: Efficacy Comparison

MK-677 (Ibutamoren) 8–12kg lean mass gain (24-week rodent studies, scaled) 1.1kg lean mass gain (24-month human trial, elderly subjects) Yes. IGF-1 elevation confirmed Investigational (not FDA-approved) GHRP-2 680% increase in pulsatile GH release (young rats)

No winner is assigned.

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

  • MK-677 (Ibutamoren)
  • 8–12kg lean mass gain (24-week rodent studies, scaled)
  • 1.1kg lean mass gain (24-month human trial, elderly subjects)
  • Yes. IGF-1 elevation confirmed
  • Investigational (not FDA-approved)
  • GHRP-2
  • 680% increase in pulsatile GH release (young rats)
  • 4× GH peak elevation (single-dose human study)
  • Partially. Acute GH response confirmed, chronic effects unknown
  • Research chemical (no human approval)
  • BPC-157
  • 340% faster wound closure (rodent tendon injury models)
  • No published human trials
  • No. VEGF modulation proposed but unconfirmed in humans
  • Research chemical (veterinary use only)
  • TB-500 (Thymosin Beta-4)
  • 60% reduction in infarct size (rodent cardiac injury models)
  • No. Actin-binding mechanism demonstrated in vitro only
  • Research chemical (Phase I never completed)
  • MOTS-C (Mitochondrial peptide)
  • 25% increase in endurance capacity (aged mice)
  • No. AMPK activation proposed but unproven in humans
  • Research chemical (pre-clinical stage)