Mitochondrially-encoded peptide with reported insulin-sensitizing activity.
MOTS-c is a 16-amino-acid peptide encoded within the mitochondrial 12S rRNA region. Preclinical studies report improved insulin sensitivity, AMPK activation, and exercise capacity.
MOTS-c is a mitochondria-derived peptide: a 16-amino-acid sequence encoded within the mitochondrial 12S rRNA gene rather than the nuclear genome. It is one of a small family of peptides that the mitochondrion itself produces as signaling molecules.
Preclinical research reports that MOTS-c activates the cellular energy sensor AMPK and influences the folate–methionine cycle, with downstream effects on insulin sensitivity and exercise capacity. Its expression declines with age, fueling interest in metabolic and aging research.
AMPK activation; modulation of folate / methionine cycle.
Behind every vial of MOTS-c is the same exacting pipeline every research peptide runs — but the chemistry plays out differently for this molecule. Here is how MOTS-c, specifically, is brought into being.
On paper, MOTS-c is C101H152N28O22S2 — about 2,174.6 daltons of precisely arranged atoms. Before a single bond is made, the target sequence, salt form, and purity threshold are written down as the contract the finished material must meet.
Assembling MOTS-c means roughly 16 coupling cycles on the synthesizer — one protected residue added at a time, which is also 16 chances for an incomplete coupling to seed a deletion impurity.
The crude mixture — MOTS-c plus its deletions and side products — is then separated on preparative HPLC, and where the cut is taken decides the difference between a genuinely pure peptide and a barely-passable one. It also contains oxidation-prone methionine or tryptophan residues, another family of impurities the chromatography has to resolve away.
A real batch of MOTS-c proves itself: identity confirmed by mass spectrometry against its ~2,174.6 Da, purity read directly off an analytical HPLC trace, water and counterion content measured. That batch-specific certificate of analysis is the only honest way to know what is actually in a vial of MOTS-c — and a short, cold, accountable chain of custody is how that purity survives the trip to your bench.
Producing MOTS-c to a genuine purity spec means solid-phase synthesis, preparative HPLC purification, and batch quality control — none of it cheap, and none of it something you can verify by eye.
Don't judge a vial by its cake. A fluffy, good-looking lyophilized powder reflects bulking agents and freeze-drying parameters — not purity. Insist on a batch-specific certificate of analysis.
Recent clinical trials and publications mentioning MOTS-c, pulled automatically from ClinicalTrials.gov and PubMed and refreshed daily. Listings are unfiltered search results, not curated endorsements.
MOTS-c is a mitochondria-derived peptide encoded in mitochondrial DNA, studied for effects on energy metabolism, insulin sensitivity, and exercise capacity.
Unlike most peptides, which are encoded by the nuclear genome, MOTS-c is encoded within the mitochondrial genome and acts as a signaling molecule.
Research focuses on AMPK activation, insulin sensitivity, exercise physiology, and aging biology, largely in preclinical models.
No — it is a research compound. This page is a research and educational reference.
Dosing protocols, mechanism, comparisons, and the latest trials — citation-backed answers grounded in PubMed, PubChem, and ClinicalTrials.gov.