MOTS-c
Mitochondrial ORF of the Twelve S rRNA Type-c · Mitochondrial-Derived Peptide
A mitochondrial-derived exercise mimetic that activates AMPK and improves metabolic health — even without exercise.
What is MOTS-c?
MOTS-c is a 16-amino-acid peptide encoded in your mitochondrial DNA — which makes it genuinely unusual. Most peptides come from nuclear DNA, but MOTS-c is one of a handful of 'mitochondrial-derived peptides' (MDPs) that your mitochondria produce directly. It was discovered in 2015 by Dr. Pinchas Cohen's lab at USC, and the implications are profound: your mitochondria are not just energy factories, they are signalling organs.
What makes MOTS-c exciting is that it functions as an exercise mimetic. When you exercise, MOTS-c levels increase and it translocates to the nucleus where it regulates gene expression related to metabolism. In animal studies, exogenous MOTS-c administration improved insulin sensitivity, reduced obesity, and enhanced exercise capacity — even in sedentary mice. It essentially activates many of the same metabolic pathways that exercise does.
The biohacking community sees MOTS-c as a potential tool for metabolic optimisation, particularly for those unable to exercise due to injury or illness. It is not a replacement for exercise (nothing is), but it may activate some of the same beneficial pathways.
How Does It Work?
MOTS-c activates AMPK (AMP-activated protein kinase) — the same master metabolic switch activated by exercise, fasting, and metformin. This triggers downstream effects: increased fatty acid oxidation, improved glucose uptake, enhanced mitochondrial biogenesis, and activation of the folate-methionine cycle.
Uniquely, MOTS-c translocates from mitochondria to the cell nucleus during metabolic stress, where it regulates gene expression by interacting with ARE (antioxidant response element) sites. This nuclear translocation is exercise-dependent in normal physiology — exogenous MOTS-c may bypass the exercise requirement.
What Does The Research Say?
Moderate evidence. Some human data, mostly animal studies.
Animal studies: Robust data showing MOTS-c prevents age-related metabolic decline, improves insulin sensitivity in diet-induced obesity models, enhances physical performance, and extends health span. It reversed age-related insulin resistance in old mice.
Human observational: MOTS-c levels decline with age and correlate with metabolic health markers. Certain MOTS-c gene variants associate with exceptional longevity in Japanese populations.
Human interventional: Very limited. Early-phase clinical trials are underway but no published RCT results yet. The animal data is compelling but we are waiting on human confirmation.
Reported Dosages
These are dosages reported in research literature and community reports. They are NOT medical recommendations. Always consult a healthcare professional.
Subcutaneous injection: 5-10mg per week is the commonly discussed protocol in biohacking circles (typically divided into daily doses of 0.5-1.5mg).
Some practitioners use cycling protocols (5 days on, 2 off).
Requires reconstitution from lyophilised powder.
DISCLAIMER: No FDA/MHRA-approved human dosing exists. All dosing information comes from animal research extrapolation and anecdotal clinical use. Work with a knowledgeable practitioner if considering.
Side Effects & Risks
Limited human safety data. Anecdotal reports suggest it is well-tolerated — mild injection site reactions, occasional transient fatigue (possibly related to metabolic shifting). Theoretical concern: as an AMPK activator, it could potentially interfere with mTOR-driven anabolic processes (muscle building) if used chronically at high doses.
Legal Status by Country
Unregulated research peptide. Not approved for human use.
Research chemical. Not FDA-approved. Available from peptide suppliers.
Unregulated research peptide in most EU countries.
Not TGA-approved. Research chemical.
Important Disclaimer
This profile is for educational and research purposes only. It does not constitute medical advice. MOTS-c may be regulated or illegal in your jurisdiction. Do not use any compound without consulting a qualified healthcare professional. StackPedia does not sell, supply, or promote the use of any controlled substance.