MOTS-C is a mitochondria-derived peptide encoded within the 12S ribosomal RNA gene of mitochondrial DNA. First identified in 2015, it represents a new class of signalling molecules — mitochondrial open reading frame peptides (MOTIFs) — that coordinate cellular energy metabolism. Its discovery reshaped how researchers think about the role of mitochondria beyond energy production.
What is MOTS-C?
MOTS-C is a 16-amino-acid peptide translated from the mitochondrial genome — an unusual origin that distinguishes it from nuclear-encoded peptides. It translocates to the nucleus in response to metabolic stress, where it regulates nuclear gene expression related to glucose and lipid metabolism. This nucleus-mitochondria crosstalk positions MOTS-C as a master regulator of metabolic homeostasis.
Unlike many peptides that target a single pathway, MOTS-C operates upstream of several metabolic processes simultaneously, making it a subject of intense interest in longevity and metabolic disease research.
AMPK Activation and Metabolic Flexibility
The most well-characterised mechanism of MOTS-C is activation of AMP-activated protein kinase (AMPK), often called the "metabolic master switch." AMPK activation mimics the cellular state of exercise and caloric restriction — it promotes fat oxidation, suppresses lipogenesis, and enhances mitochondrial biogenesis. Research in rodent models shows that MOTS-C administration increases AMPK phosphorylation in skeletal muscle, liver, and adipose tissue within hours.
AMPK activation by MOTS-C also inhibits the folate cycle and de novo purine synthesis, redirecting one-carbon metabolites toward energy-producing pathways. This mechanistic specificity suggests MOTS-C may have research applications beyond simple metabolic support.
Insulin Sensitivity Research
Insulin resistance is a defining feature of type 2 diabetes and metabolic syndrome. MOTS-C has demonstrated improvements in insulin sensitivity across multiple preclinical models. In high-fat diet-fed mice, MOTS-C administration reversed diet-induced insulin resistance and reduced fasting blood glucose without changing caloric intake. The effect was dependent on AMPK activation and was absent in AMPK-knockout models, confirming mechanistic specificity.
Researchers have also noted that circulating MOTS-C levels decline with age and in conditions of obesity — mirroring the epidemiology of insulin resistance — suggesting a physiological role that may become attenuated with age.
Longevity and Exercise Mimetics
MOTS-C has been described as an "exercise mimetic" due to its ability to replicate many of the metabolic adaptations produced by physical exercise. In aged mice, MOTS-C restored physical performance and metabolic parameters comparable to younger animals. Longevity researchers are particularly interested in its relationship with AMPK and SIRT1, two key nodes in the nutrient-sensing networks associated with lifespan extension.
Human observational data shows that centenarians and super-agers carry genetic variants associated with higher MOTS-C activity, adding epidemiological weight to the preclinical findings.
Research Dosage Protocol
Standard research dosage: 5–10 mg administered 3 times per week
Administration: Subcutaneous injection after reconstitution with bacteriostatic water. Use our BAC water reconstitution calculator to determine the correct diluent volume for your desired concentration.
Storage: Lyophilised powder at -20°C long-term; reconstituted solution at 4°C, use within 4 weeks.
Given the 3x/week schedule, many researchers time injections on training days when AMPK is already being activated through mechanical stress, potentially producing additive effects on metabolic signalling.
Where to Buy MOTS-C in India
Peptide Central stocks MOTS-C at 99% purity, independently HPLC-verified with a full Certificate of Analysis included with every order. Pan-India delivery with COD available. As a longevity-oriented peptide, MOTS-C pairs naturally with other metabolic and mitochondrial-support compounds available in our longevity peptides collection.