MOTS-c
Mitochondrial ORF of the Twelve S rRNA Type-c
The exercise-mimicking peptide encoded in your mitochondrial DNA
MOTS-c is a mitochondrial-derived peptide that activates AMPK, the same pathway triggered by exercise. Research links it to improved metabolic function, insulin sensitivity, and exercise performance.
Admin routes
Subcutaneous
Popularity
Niche
Side effects
Generally mild
Vendors
3 rated
Key benefits
What to expect
Increased exercise tolerance and endurance
Improved insulin sensitivity and glucose handling
Enhanced fat metabolism; body composition changes
Cumulative metabolic and longevity benefits
Based on community reports and published research. Individual results vary significantly.
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Dosing protocols
Metabolic support
5–10 mg
3–5 times per week (subcutaneous)
4–8 week cycles
Dosing information is sourced from published research and community protocols. This is not a recommendation. Consult a healthcare professional.
Research status|Preclinical - human trials beginning
Overview
MOTS-c is a 16-amino-acid peptide encoded within the mitochondrial genome - one of only a handful of known mitochondrial-derived peptides (MDPs). Discovered in 2015 by Dr. Changhan Lee at USC, it is unique because it is encoded by mitochondrial DNA rather than nuclear DNA. MOTS-c activates AMPK (AMP-activated protein kinase), the same master metabolic switch that exercise triggers. This has led to its characterisation as an 'exercise mimetic' - a compound that produces some of the metabolic benefits of exercise at the cellular level. It is particularly interesting in the context of aging, as mitochondrial function declines with age.
How it works
MOTS-c activates AMPK, the cellular energy sensor that is normally triggered by exercise or caloric restriction. AMPK activation promotes glucose uptake, fatty acid oxidation, mitochondrial biogenesis, and autophagy. MOTS-c also regulates the folate-methionine cycle, affecting one-carbon metabolism and cellular methylation patterns. In animal studies, MOTS-c treatment improved insulin sensitivity, reduced fat accumulation, and enhanced exercise capacity in both young and old mice. Endogenous MOTS-c levels decline with age and are higher in physically active individuals.
Side effects
Research history
Discovered by Dr. Changhan David Lee at USC - first mitochondrial-derived peptide identified
Published in Cell Metabolism showing exercise-mimetic effects
Shown to improve insulin sensitivity and reduce age-related metabolic decline
Human clinical data supports exercise performance benefits
Growing clinical interest for metabolic syndrome and aging
The exercise mimetic concept
MOTS-c is sometimes called an 'exercise in a peptide' - but this oversimplifies it. It activates AMPK, one of the key molecular pathways that exercise activates, but exercise triggers hundreds of molecular changes simultaneously. MOTS-c provides a subset of exercise's metabolic benefits (glucose uptake, fat oxidation, mitochondrial function) but doesn't replace the cardiovascular, musculoskeletal, and neurological benefits of actual physical activity. It's best thought of as a metabolic optimiser that complements exercise rather than replacing it.
Recommended products
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Core Supplies
Bacteriostatic Water 30mL
Storage & Transport
Portable Insulin Cooler Fridge
Further Reading
Peptide Protocols
References
- [1]Lee C, et al. "The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance." Cell Metabolism, 2015.
- [2]Reynolds JC, et al. "MOTS-c is an exercise-induced mitochondrial-encoded regulator of age-dependent physical decline." Nature Communications, 2021.
Frequently asked questions
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Disclaimer: This guide is for educational and informational purposes only. It is not medical advice. The dosing protocols listed are sourced from published research and community reports and do not constitute a recommendation. Always consult a qualified healthcare professional before using any peptide. Check your local regulations regarding peptide purchase and use.