Research Use Only (RUO). This article is for education and shares what published science says about a research compound. It is not medical advice, and nothing here is a suggestion to use any peptide on people or animals.
MOTS-c is a small peptide that comes from inside our cells. A peptide is just a short chain of amino acids, the tiny building blocks that make up proteins. MOTS-c is special because it is a mitochondrial-derived peptide, which means it is made using instructions stored in the mitochondria. Mitochondria are the tiny parts inside almost every cell that act like power plants, turning food and oxygen into the energy a cell needs to work. In simple terms, MOTS-c is a small peptide encoded by the mitochondria, and scientists study it to learn how cells make and manage energy. This guide explains what MOTS-c is, where it comes from, and what early research reports.
What is MOTS-c?
MOTS-c is a short peptide, about 16 amino acids long, that a cell reads out from a piece of mitochondrial genetic code. Its name is short for the mitochondrial open reading frame of the 12S rRNA type-c. Because it is built using instructions from the mitochondria instead of the main genetic code in the cell nucleus, MOTS-c is called a mitochondrial-derived peptide, meaning a peptide whose recipe is stored in the mitochondria. Researchers are interested in MOTS-c because it appears to carry signals inside cells about energy and metabolism. Metabolism is the word for all the chemical steps a body uses to turn food into energy. MOTS-c is studied only in laboratory and animal research, not as a medicine.
Where does MOTS-c come from?
MOTS-c comes from the mitochondrial genome. Most of a cell's genetic instructions live in the nucleus, but mitochondria carry their own small set of DNA, called mtDNA. Hidden inside a mitochondrial gene known as the 12S rRNA is the short code that spells out MOTS-c. Scientists led by Changhan Lee and Pinchas Cohen at the University of Southern California first described MOTS-c in a 2015 study published in the journal Cell Metabolism. Their discovery mattered because it showed that mitochondria may not only be power plants; they may also send out small peptide signals that talk to the rest of the cell. For research, MOTS-c is made in a lab as a reference material so scientists can study this signal on its own.
What does the research say about MOTS-c?
All MOTS-c findings so far come from preclinical research, meaning cell (in-vitro) studies and animal studies, mostly in mice. Nothing here describes a treatment for people. In the 2015 Cell Metabolism study, Lee, Cohen, and their team reported that MOTS-c was linked to metabolic balance in mice and appeared to act through a cell pathway called AMPK, which helps cells manage their energy. In a 2021 study in Nature Communications, Joseph Reynolds, Changhan Lee, and colleagues described MOTS-c as an exercise-induced peptide and reported that its levels changed with physical activity in mice and humans. A peer-reviewed review indexed on PubMed by Kim and colleagues also summarized how researchers think MOTS-c may relate to muscle and fat metabolism. These are early findings in labs and animals, not proven effects in humans.
Is MOTS-c FDA approved?
No. MOTS-c is not an FDA-approved drug. It has not been approved by the U.S. Food and Drug Administration to prevent, treat, or cure any disease or condition. MOTS-c is sold strictly as a research-use-only (RUO) reference material, meaning it is intended only for laboratory research and is not for human use, not for animal use, and not for any medical purpose. Its research status today is preclinical, the early stage of study that happens in cells and animals long before any human testing.
How researchers store and handle MOTS-c
Because MOTS-c is a research-use-only material, it is handled in a laboratory by trained researchers who follow their facility's safety rules. Peptides like MOTS-c are commonly supplied as a dry powder and studied under controlled lab conditions. Bacteriostatic water is a common laboratory reagent that researchers use to dissolve freeze-dried peptides for study. This article does not give any directions for use, amounts, or methods, because MOTS-c is not for human or animal use. Anyone doing research should follow the guidance of their own institution and the product's certificate of analysis.
MOTS-c vs other mitochondrial peptides
MOTS-c is not the only mitochondrial-derived peptide that scientists study. Another well-known example is humanin, which was discovered before MOTS-c and is also encoded by mitochondrial code. Like MOTS-c, humanin is studied in preclinical research for its possible role in how cells respond to stress and manage energy. The shared idea is that these peptides are research tools that help scientists understand the many jobs mitochondria may have beyond making energy. MOTS-c stands out mostly because of its reported links to metabolism and exercise in animal studies.
MOTS-c research materials at Dissolv Labs
Dissolv Labs supplies MOTS-c and related items as research-use-only reference materials for laboratory study. These products are not for human or animal use.
- MOTS-c (research reference material)
- MOTS-c 10mg (research reference material)
- Bacteriostatic Water 3ml (laboratory reagent)
Frequently asked questions
Is MOTS-c a natural peptide?
Yes. MOTS-c is a peptide that the body naturally makes using mitochondrial code, as first described by Lee, Cohen, and colleagues in 2015. The MOTS-c sold for research is a lab-made copy used as a reference material.
What does MOTS-c do in research studies?
In preclinical cell and animal studies, researchers have reported that MOTS-c is linked to metabolism, the AMPK energy pathway, and exercise. These are early scientific findings and are not proven effects in humans.
Can I use MOTS-c?
No. MOTS-c is a research-use-only material. It is not for human use, not for animal use, and it is not an approved drug or supplement.
How is MOTS-c different from a normal protein?
MOTS-c is a very short peptide made from mitochondrial code, while most proteins are longer chains built from instructions in the cell nucleus. That origin is what makes MOTS-c a mitochondrial-derived peptide.
The bottom line
MOTS-c is a mitochondrial-derived peptide, a short peptide encoded by mitochondrial DNA, first described by researchers at the University of Southern California in 2015. Preclinical studies in cells and animals have linked MOTS-c to metabolism, the AMPK energy pathway, and exercise, but MOTS-c is not an FDA-approved drug and there are no proven human effects. At Dissolv Labs, MOTS-c is offered only as a research-use-only reference material for laboratory study, and it is not for human or animal use.
Sources
- Lee C, et al. The Mitochondrial-Derived Peptide MOTS-c Promotes Metabolic Homeostasis and Reduces Obesity and Insulin Resistance. Cell Metabolism, 2015.
- Reynolds JC, et al. MOTS-c is an exercise-induced mitochondrial-encoded regulator of age-dependent physical decline and muscle homeostasis. Nature Communications, 2021.
- Kim KH, et al. MOTS-c: A novel mitochondrial-derived peptide regulating muscle and fat metabolism (review). PubMed.
Disclaimer: All Dissolv Labs products are sold for Research Use Only and are not for human or veterinary use. This content is educational and is not medical advice, diagnosis, treatment guidance, or a recommendation to consume any substance.
