A tiny mitochondrial peptide helps mice stay slim and healthy
The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Scientists found a tiny protein made by mitochondria called MOTS-c. When they gave it to mice on a high-fat diet, the mice gained less weight and had better blood sugar control. It worked by turning on a cellular energy switch (AMPK) and helping muscles use sugar better.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 513 / 90
Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Scientists found a tiny protein made by mitochondria called MOTS-c. When they gave it to mice on a high-fat diet, the mice gained less weight and had better blood sugar control. It worked by turning on a cellular energy switch (AMPK) and helping muscles use sugar better.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 513 / 90
Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Publication
Authors
Lee C, Zeng J, Drew BG, Sallam T, Martin-Montalvo A, Wan J, Kim SJ, Mehta H, Hevener AL, de Cabo R, Cohen P
Related Content
Claims (10)
Mitochondrial health serves as the bridge between fat loss and performance, and effective peptide stacking requires combining interventions with different mechanisms, such as tesamorelin (growth hormone/IGF-1 pathway) and MOTS-c (AMPK/mitochondrial energy sensing pathway), which act through distinct but complementary pathways to enhance mitochondrial function.
MOTS-c reduces visceral and hepatic fat and improves insulin sensitivity even on a high-fat diet by activating AMPK, the cellular energy sensor, which enhances glucose uptake, insulin signaling, and fuel efficiency.
When mice ate a high-fat diet, daily MOTS-c injections helped them stay lighter than untreated mice, even though they ate the same amount of food.
MOTS-c injections made muscle cells more responsive to insulin by activating AMPK and increasing GLUT4, which helps move glucose into cells.
When scientists added MOTS-c to cells in a dish, the cells started using more sugar for energy and turned on a key energy sensor called AMPK—until they added folic acid or blocked AMPK, which stopped the effect.