Who should not take MOTS-c?
Documented caution flags for MOTS-c include active malignancy and pregnancy / nursing. This is not exhaustive, and absence from this list is not a safety clearance. Anyone pregnant, nursing, or managing a serious medical condition should only consider it under a doctor's care, and safety data for MOTS-c is limited.
Documented caution flags for MOTS-c
- Active malignancy
- Pregnancy / nursing
Reported side effects to weigh
- Mild fatigue early
- Injection-site soreness
References
- MOTS-c: a mitochondrial-derived peptide regulating holistic metabolism — Lee C et al., Trends Endocrinol Metab, 2020
- MOTS-c is an exercise-induced mitochondrial-encoded regulator of age-dependent physical decline and muscle homeostasis — Reynolds JC, Lai RW, Woodhead JST, et al. (Lee C, senior author) — Nature Communications, 2021
- Mitochondrial-Encoded Peptide MOTS-c, Diabetes, and Aging-Related Diseases — Kong BS, Lee C, Cho YM — Diabetes & Metabolism Journal, 2023
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-15.