MOTS-c in Canada: "Exercise in a Bottle" vs. the Studies
Sam · Popular Peptides Canada ·
MOTS-c is a 16-amino-acid peptide coded in mitochondrial DNA, described by USC researchers in 2015. In mice on a high-fat diet it reduced weight gain and improved sugar handling, and a 2021 study found older mice did better on a treadmill. We found no published controlled trial of MOTS-c itself in people; a 4-week trial of a modified version, CB4211, in about twenty people saw liver fat fall about as much as with placebo. MOTS-c is not approved anywhere, is banned in sport, and is named in Health Canada’s April 2026 advisory on peptides sold online.
Great mouse data. No human proof yet.
Scores = our read of the published studies, not medical advice.
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Full transcript
[0:00]“Exercise in a bottle.” That’s how MOTS-c gets sold online. So is there a human trial behind it? Let’s look.
[0:07]MOTS-c is a peptide of sixteen amino acids, and it’s coded in mitochondrial DNA, the little power plants inside cells. Researchers at the University of Southern California described it in 2015.
[0:20]In that first study, mice on a high-fat diet that got MOTS-c gained less weight and handled sugar better. A 2021 study found older mice given it did better on a treadmill. That’s where the nickname comes from.
[0:33]In people? We couldn’t find a published controlled trial of MOTS-c itself. A company tested a modified version, called CB4211, in about twenty people for four weeks. Liver fat went down, but about as much as it did with placebo. Blood sugar dipped a little.
[0:57]MOTS-c isn’t approved as a medicine anywhere. It’s banned in sport. And it’s named in Health Canada’s April 2026 warning about peptides sold online. So: great mouse data, no human proof yet. Keep the gym membership.
Read the studies
- The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance (Lee et al.)Cell Metabolism, 2015
- MOTS-c is an exercise-induced mitochondrial-encoded regulator of age-dependent physical decline and muscle homeostasis (Reynolds et al.)Nature Communications, 2021
- Think twice before injecting peptides bought online: unauthorized products can seriously harm your healthHealth Canada advisory, April 9, 2026
From $34.99 · ships from Vancouver · for in vitro laboratory research only
Read more about MOTS-C
- MOTS-C and DSIP: Mitochondria-Derived Peptides and Sleep Research
MOTS-C and DSIP represent two distinct areas of peptide research — mitochondrial biology and sleep physiology — with significant implications for longevity and neuroendocrine research.
- NAD+ vs MOTS-c: The Mitochondrion as Author, and as Engine
One of these is a message the mitochondrion writes and sends to the rest of the cell. The other is the currency it runs on. Both sit at the centre of longevity research — and neither should be handled the way you would handle a peptide.
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All Popular Peptides products are supplied for in vitro laboratory research use only and are not for human or veterinary consumption. Nothing in this video or on this page is medical advice.