For informational and research purposes only. Not medical advice. Content is aggregated from public sources. Always consult a qualified healthcare provider.
Metabolic · Comparison

AOD-9604 vs MOTS-c

A neutral, side-by-side comparison of two metabolic peptides — their mechanisms, dosing ranges, administration routes, side effects, and research evidence. For research and educational purposes only.

AOD-9604MOTS-c
CategoryMetabolicMetabolic
Also known asAnti-Obesity Drug 9604, hGH Fragment 176-191, Tyr-hGH Frag 176-191Mitochondrial Open Reading Frame of the 12S rRNA type-c, MOTS-c peptide, mitochondrial-derived peptide
EvidenceInvestigational (in trials)Preclinical only
Dosing range250mcg–1000mcg mcg, Once daily, on an empty stomach5mg–20mg mg, varies widely (research protocols are extrapolated from rodent data; no validated human regimen exists)
AdministrationSubcutaneous injection, Oral (significantly reduced bioavailability)Subcutaneous injection, Intravenous (research settings)
Key side effectsInjection site redness or irritation, Mild flushing (transient), Headache (rare), Considered low side-effect profile compared to full hGHGenerally well-tolerated in animal studies, Injection site reactions, Theoretical hypoglycemia risk in diabetics or those on insulin sensitizers (AMPK activation), Human safety data are essentially absent — this is an early-stage research compound
Cited sources3 references6 references

Key differences

  • Evidence level differs: AOD-9604 is investigational (in trials), while MOTS-c is preclinical only.
  • Administration: AOD-9604 — Subcutaneous injection, Oral (significantly reduced bioavailability); MOTS-c — Subcutaneous injection, Intravenous (research settings).
  • Dosing units differ: AOD-9604 is dosed in mcg, MOTS-c in mg — they operate at different scales.
  • Frequency: AOD-9604 is typically Once daily, on an empty stomach; MOTS-c is varies widely (research protocols are extrapolated from rodent data; no validated human regimen exists).
  • Research depth: this profile cites 3 sources for AOD-9604 vs 6 for MOTS-c.

How each works

AOD-9604

Animal studies consistently demonstrate that AOD-9604 reduces body fat in obese rodents without affecting blood glucose or IGF-1 levels — a significant distinction from hGH. It appears to act directly on fat cells via beta-adrenergic pathways. Phase 2 human clinical trials for obesity were conducted but did not meet primary endpoints for the oral formulation; injectable forms were not advanced to Phase 3. AOD-9604 received GRAS (Generally Recognized As Safe) status in the US for food use, though this does not confer therapeutic approval.

MOTS-c

MOTS-c activates AMPK via the folate–methionine–AICAR pathway and, under metabolic stress, moves into the nucleus to coordinate antioxidant and stress-response gene programs (partly via Nrf2/ARE). In rodent and cell models it reverses high-fat-diet insulin resistance, reduces obesity, and — when injected into aged mice — substantially improves treadmill running capacity, behaving like an 'exercise mimetic.' In humans, exercise raises endogenous MOTS-c, and an East-Asian genetic variant (K14Q) shows mixed associations with longevity and with type 2 diabetes risk. No registered human clinical trials of MOTS-c itself exist; the only human study was of an analog (CB4211), a Phase 1 program that was discontinued.

Read the full AOD-9604 profileRead the full MOTS-c profile

This comparison aggregates public research and structured profile data for informational purposes only. It is not medical advice and does not recommend either compound for human use. Consult a qualified healthcare provider before considering any peptide.