MOTS-c
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Research summary
MOTS-c is a 16-amino-acid peptide unusual in that it's encoded within mitochondrial DNA rather than nuclear DNA. It's studied as a regulator of cellular metabolism and has been called an "exercise mimetic" because the body's own skeletal-muscle MOTS-c levels rise sharply with physical exertion.
In one human study, skeletal muscle MOTS-c concentrations rose roughly 11.9-fold after a single bout of acute exercise. In diet-induced obese mouse models, administering MOTS-c was associated with improved insulin sensitivity, increased mitochondrial respiratory capacity, and favorable changes in body composition. Researchers studying MOTS-c are explicit that most mechanistic evidence remains in mice and cell culture, and that human exercise data doesn't establish what effects administering the peptide itself would have in people.
Sources: Reynolds et al.; PMC6640593; Scientific Reports, 2021 (PMC8376922). Findings from published research —not a claim about this product, and not evidence of safety or effectiveness for human use.
Decoding the Benefits
- The body's own levels spike nearly 12-fold after a single bout of intense exercise — the finding behind its "exercise mimetic" reputation.
- Associated with better insulin sensitivity and improved body composition in metabolic studies.
