MOTS-c

MOTS-c — Mitochondrial-Derived Metabolic Peptide by Dragon Pharma

MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA type-c) is Dragon Pharma's formulation of the mitochondrial-derived peptide at 10mg per vial — a 16-amino acid peptide with a uniquely distinct origin from all other peptides in the range: it is encoded not by nuclear DNA but by the mitochondrial genome itself, specifically within the 12S rRNA gene of mitochondrial DNA. MOTS-c functions as a metabolic hormone that activates AMPK, improves insulin sensitivity and reproduces aspects of the metabolic adaptation to aerobic exercise — earning it classification as an "exercise mimetic."

Also searched as: MOTS-c 10mg, mitochondrial peptide, MOTS c AMPK, exercise mimetic peptide, MOTS-c Dragon Pharma.

What Makes MOTS-c Unique — Mitochondrial Genetic Origin

MOTS-c's origin is unlike any other peptide in the Dragon Pharma range — a genuine information gap that competitor content universally misses:

• Human cells contain two separate genomes: the nuclear genome (in the cell nucleus) encoding ~20,000 genes, and the mitochondrial genome (in each mitochondrion) encoding only 37 genes — 13 proteins, 22 tRNAs and 2 rRNAs
• MOTS-c was discovered in 2015 by Lee et al. (Cell Metabolism) as a peptide encoded within the 12S rRNA gene of mitochondrial DNA — a region not previously recognised as protein-coding. This was a landmark discovery as it identified a new class of biologically active peptides from mitochondrial DNA
• The mitochondrial origin has functional significance: MOTS-c is produced by mitochondria themselves and acts as a retrograde signal — communicating the metabolic status of mitochondria to the rest of the cell and to the systemic circulation. MOTS-c plasma levels rise during exercise, decline with aging and increase in response to metabolic stress
• This makes MOTS-c a physiological exercise response signal — not a pharmacological intervention targeting a receptor, but a natural mitochondrial communication peptide that exercise induces and aging depletes

The AMPK Mechanism — How MOTS-c Works

MOTS-c's primary metabolic effect is mediated through AMPK (AMP-activated protein kinase) — the master energy sensor of the cell:

• MOTS-c activates AMPK in skeletal muscle, liver and adipose tissue. AMPK is the same pathway activated by metformin (the diabetes drug) and by aerobic exercise — it signals a low-energy state and triggers compensatory metabolic adaptations
• AMPK activation by MOTS-c produces: increased fatty acid oxidation (more fat burned for energy), increased glucose uptake in muscle (via GLUT-4 translocation, without requiring insulin), decreased gluconeogenesis in the liver (less new glucose production), and mitochondrial biogenesis (more mitochondria per cell)
• A specific mechanism discovered in the original MOTS-c paper: MOTS-c interferes with the folate cycle — specifically inhibiting the AICAR-transformylase step. This generates AICAR (5-aminoimidazole-4-carboxamide ribonucleotide), which is an endogenous AMPK activator. AICAR itself is sold as Acadesine (AICAR) and produces overlapping but distinct effects to MOTS-c

MOTS-c as an Exercise Mimetic

The term "exercise mimetic" refers to compounds that pharmacologically reproduce some metabolic adaptations of exercise without requiring physical activity itself:

• During aerobic exercise, MOTS-c plasma levels rise — it is one of the exercise-responsive signalling molecules that mediates the systemic metabolic benefits of physical activity
• Exogenous MOTS-c injection reproduces several acute exercise-like metabolic shifts: increased glucose utilisation in muscle, improved insulin sensitivity, AMPK activation, and mitochondrial adaptation signals
• The original 2015 Cell Metabolism paper by Lee et al. demonstrated that MOTS-c injection in mice prevented diet-induced obesity and improved insulin sensitivity — effects that parallel the metabolic benefits of regular exercise training
• In aged mice, MOTS-c administration improved physical performance and muscle function — with subsequent human data (Lee et al., 2019) showing that MOTS-c levels are significantly lower in older adults and that this decline correlates with reduced metabolic health markers

MOTS-c and Aging — The Longevity Connection

Effects and Benefits

• AMPK activation — the central metabolic effect, producing downstream improvements in glucose utilisation, fat oxidation and mitochondrial function
• Improved insulin sensitivity — increased non-insulin-dependent glucose uptake in skeletal muscle via GLUT-4 translocation
• Exercise-mimetic metabolic adaptation — activates some of the same pathways as aerobic training without physical activity
• Anti-obesity effect in animal models — prevents diet-induced obesity when combined with appropriate nutrition
• Physical performance support in aged subjects — animal data showing improved exercise capacity
• No testosterone suppression — no PCT required

Dosage and Administration

At 10mg per vial, a 5mg/week protocol provides 2 weeks per vial; a 10mg/week protocol uses one vial weekly. Human dosing for MOTS-c is not established by clinical trials — protocols are extrapolated from animal studies and early human pharmacokinetic data. Reconstitute with bacteriostatic water. Store refrigerated at 2-8°C after reconstitution for up to 28 days. Injection timing relative to exercise is flexible — unlike some GH peptides, there is no compelling evidence that fasted or post-workout timing is critical.