C-peptide vs BYM338

Head-to-head comparison of C-peptide (Connecting peptide (C-peptide)) and BYM338 (Bimagrumab (BYM338)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyC-peptideBYM338
CategoryPain ManagementMuscle & Performance
Full NameConnecting peptide (C-peptide)Bimagrumab (BYM338)
Molecular Weight3020.3 Da~148 kDa
Half-Life~20-30 min~2-3 weeks
Amino Acids31N/A
Typical Doseno approved analgesic dose|research-only10-30 mg/kg IV in trials
RouteIV|subQIntravenous
Purity≥98%≥98%
Studies Count46140
Research StatusPre-clinicalClinical

C-peptide Benefits

  • diabetic neuropathy research
  • nerve function support
  • possible analgesic effect

BYM338 Benefits

  • increased lean mass
  • functional strength support
  • reduced muscle wasting
  • metabolic body-composition shift

C-peptide Dosing

0.5-1.0 mg/day in research|route varies by protocol

BYM338 Dosing

IV infusion|10-30 mg/kg per study cycle|repeat every 4-12 weeks

C-peptide Side Effects

  • injection-site reactions
  • unknown long-term safety

BYM338 Side Effects

  • muscle cramps
  • diarrhea/nausea
  • infusion reactions

Research Overview

C-peptide

C-peptide is not an approved analgesic, but multiple studies have examined its effects on peripheral nerve blood flow and neuropathy outcomes. The strongest relevance is in diabetic neuropathic pain rather than migraine.

BYM338

Clinical trials showed meaningful increases in lean mass, with mixed functional outcomes depending on population and endpoint. The antibody remains one of the best-documented receptor-blocking approaches to muscle anabolism in humans.

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Common Stacking Partners

C-peptide stacks with:

C-peptideConnecting peptide

BYM338 stacks with:

CreatineVitamin DLeucine
neuropathic-paindiabetic-neuropathynerve-repairactrII-blockermonoclonal-antibodysarcopenialean-mass