New — Free Peptide Starter Guide (2026): 13 chapters, 34 cited studies

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MOTS-c

Also known as: Mitochondrial Open Reading Frame of the 12S rRNA-c, MOTS c

MOTS-c is a mitochondria-derived peptide (MDP) encoded within the mitochondrial genome. It acts as a metabolic regulator, improving insulin sensitivity, enhancing exercise capacity, and counteracting age-related metabolic decline. It is often called a 'mitochondrial hormone.'

Half-Life

Estimated 1–2 hours

Route

SubQ

Category

Anti-Aging & Longevity

Studies

50 references

Key Benefits

  • Improves insulin sensitivity and glucose metabolism
  • Enhances exercise capacity and endurance
  • Reduces age-related metabolic decline
  • Activates AMPK — the master metabolic regulator
  • Promotes fat oxidation
  • Anti-inflammatory effects
  • May extend healthspan via mitochondrial optimization
  • Increases energy and reduces fatigue

Mechanism of Action

MOTS-c is encoded in the 12S ribosomal RNA region of mitochondrial DNA and is released from mitochondria in response to metabolic stress. It translocates to the cell nucleus where it activates AMPK signaling pathways, regulating glucose metabolism, folate cycle, and nucleotide synthesis. It promotes fat oxidation over glucose utilization and enhances mitochondrial function. In animal studies, injections into aged mice significantly improved exercise capacity and reversed metabolic aging phenotypes.

Dosing Protocols

Standard Protocol

Dose
5–15 mg
Frequency
3–5 times per week
Timing
Morning or pre-workout
Cycle
8–12 weeks, then reassess

Research compound — limited established human protocols. Animal data uses weight-based dosing (0.5–5 mg/kg). Human translational doses typically 5–15 mg. Excellent safety profile in available studies.

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Side Effects

  • Injection site irritation
  • Fatigue during initial adaptation
  • Unknown long-term profile (limited human data)

Contraindications

Pregnancy or breastfeeding. Limited human safety data.

Storage

Lyophilized powder: store at −20°C. Reconstituted: refrigerate at 2–8°C, use within 14 days.

  1. 1.
    Mitochondrial-derived peptides MOTS-c and humanin attenuate dexamethasone-induced atrophy in human skeletal muscle cells

    Elhusseiny R, Ihsan M, Bellefroid T, Farooq A, Racinais S, Deldicque L · Physiological reports · 2026PubMed Verified

  2. 2.
    Aerobic exercise and MOTS-c attenuate diabetic myocardial fibrosis via inhibition of the THBS1/TGF-β signaling pathway

    Li Z, Wang T, Fu Y, Chen F, Li S · Frontiers in endocrinology · 2026PubMed Verified

  3. 3.
    Therapeutic Effects of MOTS-c in the Valproic Acid-Induced Autism Model in Rats: Role of Tetrahydrobiopterin and Brain-Derived Neurotrophic Factor

    Güvenir Seven S, Sahin H, Erkanlı Şentürk G, Uysal N, Uzun H, Ekici O et al. · Molecular neurobiology · 2026PubMed Verified

  4. 4.
    Reduced serum and skeletal muscle MOTS c levels in women with polycystic ovary syndrome are associated with mitochondrial dysfunction

    Kutuk IS, Akin S, Demirel H, Mumusoglu S, Ciftci T, Yildiz BO · Scientific reports · 2026PubMed Verified

  5. 5.
    MOTS-c attenuates cardiac dysfunction following high altitude exposure by promoting mitophagy

    Feng Z, Xing Y, Lou J, Li H, Zhang Z, Li M et al. · Free radical biology & medicine · 2026PubMed Verified

  6. 6.
    Exogenous MOTS-c mitigates myocardial ischemia-reperfusion injury: experimental and in silico evidence from rat heart models

    Santhanam SS, Jayaraman S, Kurian GA · Naunyn-Schmiedeberg's archives of pharmacology · 2026PubMed Verified

  7. 7.
    Next-generation therapies for hepatocellular carcinoma: CAR-T cell and anticancer peptide synergy

    Kannan HT, Pan I · International journal of biological macromolecules · 2026ReviewPubMed Verified

  8. 8.
    Mitochondrial-derived microproteins in lung disease: insights and implications

    Behan M, Yen K, Cohen P, Kliment CR · American journal of physiology. Lung cellular and molecular physiology · 2026ReviewPubMed Verified

  9. 9.
    Systemic MOTS-c levels are increased in adults with obesity in association with metabolic dysregulation and remain unchanged after weight loss

    Yoon SH, Yuan F, Zhu X, Tang H, Abdurakhimoova D, Krier J et al. · Journal of clinical & translational endocrinology · 2026PubMed Verified

  10. 10.
    Mitochondria-derived peptides in liver disease: Emerging regulators of hepatic metabolism and therapeutic targets

    Thoudam T, Zeng G, Gao H, Jiang Y, Huda N, Yang Z et al. · Hepatology communications · 2026ReviewPubMed Verified

  11. 11.
    MOTS-c improves intrinsic muscle mitochondrial bioenergetic health and efficiency in a PGC-1α/AMPK-dependent manner

    Gudiksen A, Hansen CC, van der Stede T, Daugaard AH, Schmidt JH, Ringholm S et al. · Free radical biology & medicine · 2026PubMed Verified

  12. 12.
  13. 13.
    Mitochondrial-derived microproteins in cancer and neurodegeneration: A new era of cross-disease mechanistic insights

    Hu S, Hu C, Tong M · Pathology, research and practice · 2026ReviewPubMed Verified

  14. 14.
    Muscle-Targeted Nanocomposite Therapy Alleviates Age-Related Sarcopenia via Antioxidant and Metabolic Reprogramming

    Liu Z, Shen Z, Lu H, Lu B, Zhang P, Chen W et al. · ACS nano · 2026PubMed Verified

  15. 15.
  16. 16.
    Insights into the Biomarker Potential of Humanin and Mots-c Expression and Telomere Length in Alzheimer's Disease

    Rodríguez-Esparragón F, Cazorla-Rivero SE, Torrealba E, Cánovas-Molina Á, González-Hernández AN, Martín-Alfaro R et al. · International journal of molecular sciences · 2025PubMed Verified

  17. 17.
    MOTS‑c protects against placental injury via Nrf2 activation in hypoxia‑induced intrauterine growth restriction mice

    Chen D, Zhao HM, Sun XL, Xing ZX, Li SP, Li SC et al. · International journal of molecular medicine · 2026PubMed Verified

  18. 18.
    MOTS-c in type 2 diabetes mellitus: From risk factors to cardiac complications and potential treatment

    Fang T, Han JC, Taberner A, Pham T · Life sciences · 2025ReviewPubMed Verified

  19. 19.
    MOTS-c attenuates mitochondrial dysfunction induces pyroptosis and cartilage degradation in osteoarthritis via an Nrf2-Dependent Mechanism

    Li K, Yang T, Chen F, Lou C, Chen Y, Chen Z et al. · Free radical biology & medicine · 2025PubMed Verified

  20. 20.
    MOTS-C levels ın ındividuals with and without obesity and ıts association with ınflammation, insulin resistance and endothelial dysfunction

    Ozkaya DY, Haymana C, Demirci I, Duman UG, Küpçük E, Koç GE et al. · Archives of endocrinology and metabolism · 2025PubMed Verified

  21. 21.
    Exercise-Induced Muscle-Fat Crosstalk: Molecular Mediators and Their Pharmacological Modulation for the Maintenance of Metabolic Flexibility in Aging

    Tero-Vescan A, Degens H, Matsakas A, Ștefănescu R, Ősz BE, Slevin M · Pharmaceuticals (Basel, Switzerland) · 2025ReviewPubMed Verified

  22. 22.
    Mitochondrial-encoded peptide MOTS-c prevents pancreatic islet cell senescence to delay diabetes

    Kong BS, Lee H, L'Yi S, Hong S, Cho YM · Experimental & molecular medicine · 2025PubMed Verified

  23. 23.
  24. 24.
    Characterization of the Avian Mitochondrial-Derived Peptide MOTS-c and Its Potential Role as a Metabolic Regulator

    Shu X, Liu J, Xu B, Wang H, Liu L, Zheng X et al. · Animals : an open access journal from MDPI · 2025PubMed Verified

  25. 25.
    Diagnostic relevance of Humanin, GAS5 and miR-21/miR-103 in prostate disease risk stratification

    Coradduzza D, Cruciani S, Sibono L, Tedde A, Zinellu A, Maioli M et al. · Clinical and experimental medicine · 2025PubMed Verified

  26. 26.
  27. 27.
    Mitochondrial-Derived Peptides: Implication in the Therapy of Neurodegenerative Diseases

    Thakur R, Chauhan A, Moudgil H, Singh S, Devi R · Molecular neurobiology · 2025ReviewPubMed Verified

  28. 28.
    The unexplored Nexus: Mitochondria derived microproteins and Parkinson's disease

    Patel K, Soni R, Shah J · Pathology, research and practice · 2025ReviewPubMed Verified

  29. 29.
    Repeated Heat Stress Modulates the Levels of the Mitokines MOTS-C and FGF21 in Active Men during Calf Muscle Immobilization

    Elhusseiny R, Ihsan M, Labidi M, Alhammoud M, Mtibaa K, Nader N et al. · Medicine and science in sports and exercise · 2025RCTPubMed Verified

  30. 30.
    Mitochondria-derived peptide MOTS-c restores mitochondrial respiration in type 2 diabetic heart

    Pham T, Taberner A, Hickey A, Han JC · Frontiers in physiology · 2025PubMed Verified

  31. 31.
    The impact of mitokine MOTS-c administration on the soleus muscle of rats subjected to a 7-day hindlimb suspension

    Sidorenko DA, Lvova ID, Tyganov SA, Shenkman BS, Sharlo KA · Journal of muscle research and cell motility · 2025PubMed Verified

  32. 32.
    Mitochondrial-Derived Peptides as Therapeutics and Biomarkers for Combating Vascular Aging and Associated Cardiovascular Diseases

    Sivakumar R, Senghor KAA, Vinodhini VM, Kumar J · Current cardiology reviews · 2025PubMed Verified

  33. 33.
    Reduced serum levels of mitochondria-derived peptide MOTS-c in patients with obstructive sleep apnea

    Luo Z, Ji R, Ye R, Shi Y, Pang Q, Yin M · Sleep and biological rhythms · 2025PubMed Verified

  34. 34.
    Mitochondria-derived peptide MOTS-c and its role in OSA pathogenesis: a potential therapeutic target?

    Edwards BA, Joosten SA, Landry SA · Sleep and biological rhythms · 2025PubMed Verified

  35. 35.
  36. 36.
    Mitochondrial dysfunction characterises the multigenerational effects of maternal obesity on MASLD

    Heldens A, Antwi M, Onghena L, Meese T, Gansemans Y, Smet J et al. · JHEP reports : innovation in hepatology · 2025PubMed Verified

  37. 37.
    MOTS-c modulates pancreatic islet function in rats and pigs in vitro

    Bień J, Pruszynska-Oszmalek E, Kolodziejski P, Leciejewska N, Szczepankiewicz D, Grzęda E et al. · Histochemistry and cell biology · 2025PubMed Verified

  38. 38.
    MOTS-c attenuates airway barrier dysfunction in allergic asthma by inhibiting epithelial apoptosis via Nrf2 pathway

    Zhang W, Li S, Zhang Y, Wu Y, Chen D, Pang Q et al. · International immunopharmacology · 2025PubMed Verified

  39. 39.
    Circulating mitochondrial biomarkers in acute coronary syndrome

    Iboleon-Jimenez A, Sánchez-Quintero MJ, Carmona-Segovia ADM, Sojo B, Fernández-Ramos AM, García-Rodríguez L et al. · Frontiers in medicine · 2025PubMed Verified

  40. 40.
    MOTS-c mimics exercise to combat diabetic liver fibrosis by targeting Keap1-Nrf2-Smad2/3

    Chen F, Li Z, Wang T, Fu Y, Lyu L, Xing C et al. · Scientific reports · 2025PubMed Verified

  41. 41.
  42. 42.
    MOTS-c as a Potential Diagnostic-prognostic Biomarker for Myocardial Infarction

    Cakmak A, Yazgan B · Cardiovascular & hematological agents in medicinal chemistry · 2025PubMed Verified

  43. 43.
  44. 44.
    MOTS-c: Magical Molecule for Diabetic Cardiomyopathy?

    Yerra VG, Connelly KA · Cardiovascular drugs and therapy · 2025PubMed Verified

  45. 45.
    Circulating PGC-1α and MOTS-c Peptide as Potential Mitochondrial Biomarkers in Patients Undergoing Aortic Valve Replacement

    Sánchez-Quintero MJ, Iboleón A, Martín Chaves L, Pozo Vilumbrales B, Carmona-Segovia ADM, Martínez López P et al. · Biologics : targets & therapy · 2025PubMed Verified

  46. 46.
    Mitochondria‑derived peptides: Promising microproteins in cardiovascular diseases (Review)

    Ran Y, Guo Z, Zhang L, Li H, Zhang X, Guan X et al. · Molecular medicine reports · 2025ReviewPubMed Verified

  47. 47.
    A Mighty Mitochondrial Microprotein: The Protective Role of MOTS-c in Acute Lung Injury

    Kliment C · American journal of respiratory cell and molecular biology · 2025PubMed Verified

  48. 48.
    MOTS-c Promotes Glycolysis via AMPK-HIF-1α-PFKFB3 Pathway to Ameliorate Cardiopulmonary Bypass-induced Lung Injury

    Shen Z, Lu P, Jin W, Wen Z, Qi Y, Li X et al. · American journal of respiratory cell and molecular biology · 2025PubMed Verified

  49. 49.
    Effects of Glucagon-Like Peptide-1 Receptor Agonists, Sodium-Glucose Cotransporter-2 Inhibitors, and Their Combination on Neurohumoral and Mitochondrial Activation in Patients With Diabetes

    Ikonomidis I, Pavlidis G, Pliouta L, Katogiannis K, Maratou E, Thymis J et al. · Journal of the American Heart Association · 2025PubMed Verified

  50. 50.
    MOTS-c Levels and Sarcopenia Risk in Chronic Peritoneal Dialysis Patients: A Pilot Study

    Zicarelli M, Greco M, Roumeliotis S, Lo Vasco ME, Dragone F, Kourtidou C et al. · Medicina (Kaunas, Lithuania) · 2025PubMed Verified

Medical disclaimer: This information is for educational purposes only and does not constitute medical advice. Many compounds listed are research chemicals not approved for human use. Always consult a qualified healthcare professional before starting any protocol.

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