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MOTS-c

Peptide encoded in mitochondrial DNA, studied in mice for insulin resistance, obesity and exercise capacity.

Molecular formulaC101H152N28O22S216 amino acids

What it is

In mouse and cell studies, MOTS-c acts mainly on skeletal muscle, where it inhibits the folate cycle and linked purine synthesis, leading to activation of the enzyme AMPK. Its mechanism in people is not established.

Sources [2] [4]

What it is studied for

MOTS-c has been studied in mice for diet-induced obesity, insulin resistance and age-related physical decline. A 2021 study also found that exercise raised natural MOTS-c levels in human muscle and blood.

Sources [2] [3]

What the evidence says

Mainly animal and laboratory evidence

Mouse studies reported prevention of diet-induced obesity and insulin resistance, and better physical capacity when old mice were treated. These are animal results. FDA says it has found no human exposure data for MOTS-c drug products and lacks key information on whether it would cause harm in people.

Sources [2] [3] [4]

How it was studied

The mouse studies gave MOTS-c by injection into the abdominal cavity. Dissolving strips, alone or combined with NAD+ and 5-amino-1MQ, were not the form studied.

Sources [2] [3]
Regulatory status

Not an approved medicine. FDA lists MOTS-c among compounding substances that may present significant safety risks, citing possible immune reactions, impurity concerns and no human exposure data by any route.

Sources [4]

Where to find it

Sold by USA Standard Research, the team behind PeptidesGenie, for research use only. Not for human or veterinary use.

Sources

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Source-checked · 27 Oct 2026