MOTS-c
Mitochondrial Open Reading Frame of the 12S rRNA Type-c
The mitochondrial peptide
A 16-amino-acid peptide encoded by the mitochondrial genome — one of only a handful of known mitochondrial-derived peptides (MDPs). MOTS-c acts as a retrograde signal from mitochondria to the nucleus, activating AMPK and regulating metabolic homeostasis. It functions as an exercise mimetic, improving insulin sensitivity, fat oxidation, and cellular stress resilience.
Key Benefits
AMPK activation and metabolic homeostasis
Improved insulin sensitivity and glucose regulation
Enhanced fat oxidation and body composition
Mitochondrial biogenesis and function
Exercise-mimetic cellular adaptations
Mechanism of Action
How MOTS-c works
MOTS-c bridges mitochondrial and nuclear signaling to regulate whole-body metabolism:
- AMPK activation — directly activates AMP-activated protein kinase, the master metabolic sensor that promotes fat oxidation, glucose uptake, and mitochondrial biogenesis while suppressing energy-wasteful anabolic processes
- Folate-methionine cycle modulation — inhibits the folate cycle, redirecting one-carbon metabolism and increasing AICAR accumulation, which is the endogenous activator of AMPK. This is the mechanistic link between MOTS-c and metabolic regulation.
- Nuclear translocation under stress — during metabolic or oxidative stress, MOTS-c translocates to the nucleus and regulates adaptive gene expression via interaction with ARE-containing promoters, functioning as a mitochondria-to-nucleus stress signal
- Exercise mimetic effects — recapitulates many molecular signatures of exercise including improved glucose tolerance, increased fat oxidation, and enhanced mitochondrial function, earning it the label "exercise in a peptide"
Your Genetics & MOTS-c
Genetic variants that affect your response
These SNPs determine how effectively MOTS-c works for you specifically. A genetic peptide report identifies your variants before you start.
This mitochondrial DNA variant occurs within the gene encoding MOTS-c itself, producing a K14Q substitution. Found at higher frequency in East Asian populations, it alters MOTS-c function and is associated with increased risk of type 2 diabetes and reduced exercise capacity.
The Gly482Ser variant in PGC-1alpha reduces mitochondrial biogenesis capacity. Since MOTS-c promotes mitochondrial function through AMPK-PGC-1alpha signaling, Ser482 carriers with lower baseline mitochondrial capacity may see proportionally greater metabolic improvement.
Variants in the AMPK alpha-2 catalytic subunit affect AMPK activation threshold and signaling intensity. Since MOTS-c's primary mechanism is AMPK activation, these variants directly modulate downstream metabolic response.
Which variants do you carry?
Upload your DNA data or order a kit to find out.
Evidence & Research
25+
Published studies
Animal studies and in vitro data with promising but limited clinical validation
Common Stacks
MOTS-c is commonly combined with:
Frequently Asked Questions
What is MOTS-c used for?
MOTS-c is used as a metabolic and longevity peptide. It activates AMPK — the same pathway triggered by exercise and caloric restriction — improving insulin sensitivity, fat metabolism, and mitochondrial function. It is sometimes called an 'exercise mimetic' because it recapitulates many molecular effects of physical training.
Does genetics affect MOTS-c response?
Yes, uniquely so. MOTS-c is encoded by mitochondrial DNA, and the m.1382A>C variant in MT-RNR1 actually alters the MOTS-c peptide itself (K14Q). This variant, common in East Asian populations, is linked to metabolic differences. Nuclear variants in PPARGC1A and PRKAA2 also affect downstream AMPK and mitochondrial biogenesis pathways.
How is MOTS-c different from other longevity peptides?
MOTS-c is unique because it is encoded by mitochondrial DNA, not nuclear DNA — making it one of only a few known mitochondrial-derived peptides. While Epithalon targets telomeres and SS-31 targets the inner mitochondrial membrane, MOTS-c acts as a metabolic signal activating AMPK to improve whole-body energy regulation.
Personalize your protocol
Does MOTS-c match your DNA?
Upload your existing genetic data or order a kit. Your report scores MOTS-c against your unique genetic profile — CYP metabolism, receptor variants, pathway markers — in minutes.