MOTS-c

Early human Weight Loss & Metabolism 2 sources

MOTS-c is a naturally occurring mitochondrial-derived peptide that plays a key role in regulating metabolic homeostasis and energy production. Research indicates it acts as an 'exercise mimetic' by activating AMPK, improving insulin sensitivity, and enhancing physical performance in animal models.

01Dosing reference

Amount

5-10 mg

Frequency

1-3 times per week

Cycle

4-6 weeks on, 2-4 weeks off

Reference figures, not a recommendationThese values reflect amounts described in the literature and vendor documentation this database indexes. Use the reconstitution calculator to convert them into syringe units.

02Mechanism of action

AMPK Activation

MOTS-c activates AMP-activated protein kinase (AMPK), a master regulator of cellular energy.

Metabolic Shift

It increases glucose uptake in skeletal muscle and promotes fatty acid oxidation.

Exercise Mimetic Effect

These cellular changes mimic the physiological effects of exercise, improving metabolic flexibility and physical capacity.

03Human evidence

Circulating MOTS-c levels increase in response to exercise.

Observational studies in healthy human subjects measuring endogenous MOTS-c before and after physical activity.

Altered MOTS-c levels are associated with metabolic dysfunction.

Clinical observations showing that patients with obesity or type 2 diabetes often have different circulating levels of MOTS-c compared to healthy controls.

04Preclinical evidence

Prevention of diet-induced obesity and insulin resistance.

Mice fed a high-fat diet and treated with MOTS-c showed significantly reduced weight gain and improved glucose tolerance compared to controls.

Enhanced physical performance and exercise capacity in aging.

Old mice treated with MOTS-c demonstrated improved running capacity on treadmills, suggesting anti-aging benefits for skeletal muscle.

05What is known vs. unknown

Reasonably established

MOTS-c is a 16-amino acid peptide encoded by the mitochondrial genome.
It acts primarily on skeletal muscle to enhance glucose metabolism and fatty acid oxidation.
Research shows it can activate the AMPK pathway, acting as an exercise mimetic.
It has demonstrated potential in animal models for preventing age-dependent and diet-induced metabolic disorders.

Unknowns & limits

Long-term safety and efficacy for weight loss or metabolic disease treatment in humans remain unproven.
The exact mechanisms of its cellular uptake and nuclear translocation are still being fully elucidated.
Optimal dosing protocols for human therapeutic use are not yet established.

06Safety & regulatory context

Regulatory statusMOTS-c is currently an experimental research chemical and is not FDA-approved for the treatment of any disease. In research settings, it is generally well-tolerated in animal models, but human safety data is limited. Potential side effects are not fully documented but could include injection site reactions or unknown metabolic disruptions. It is banned by WADA (World Anti-Doping Agency) due to its potential performance-enhancing effects.

07Compared with SS-31 (Elamipretide)

MOTS-c vs. SS-31 (Elamipretide)

Key difference

MOTS-c is a naturally occurring mitochondrial-derived peptide that regulates metabolism via AMPK, whereas SS-31 is a synthetic peptide that targets cardiolipin to improve mitochondrial inner membrane structure.

When researchers discuss each

MOTS-c is often discussed in the context of metabolic disorders, obesity, and exercise mimetics, while SS-31 is typically researched for mitochondrial myopathies, heart failure, and neurodegenerative diseases.

08Glossary

AMPK

AMP-activated protein kinase, an enzyme that plays a crucial role in cellular energy homeostasis.

Mitochondrial-derived peptide (MDP)

Small proteins encoded by the mitochondrial DNA that have biological activity in the cell.

Exercise mimetic

A compound that replicates the physiological benefits of exercise without physical exertion.

09Knowledge check

Q1What is the primary cellular target pathway activated by MOTS-c to regulate metabolism?

Q2Where is the MOTS-c peptide originally encoded?

Q3Which of the following is a documented limitation of the current MOTS-c research in the dossier?

Q4According to the dossier’s comparison, which statement correctly contrasts MOTS-c with SS-31 (Elamipretide)?

Q5Which statement about MOTS-c’s regulatory and safety status is supported by the dossier?

10Sources

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Research and educational use onlyNothing on this site is medical advice, a prescription, or a recommendation for human use. Compounds documented here are research chemicals. Consult a qualified clinician before making any health decision.