MOTS-c vs SS-31
Two mitochondrial approaches to the same question: the exercise-mimic signal the cell makes itself vs the peptide built to protect the mitochondrion directly. Here's a neutral, sourced side-by-side — no hype, every claim links to its evidence.
MOTS-c
ResearchAlso: Mitochondrial-derived peptide, MOTS‑C
MOTS-c is a tiny protein-like substance called a peptide. It is not made in the normal building blocks of the cell.
SS-31
ApprovedSS-31 is a small lab-made protein fragment, also called a peptide. It is sold as a white powder in small glass bottles for lab research.
At a Glance
| MOTS-c | SS-31 | |
|---|---|---|
| Research status | Preclinical | Approved |
| Highest-tier evidence | Peer-reviewed study | Peer-reviewed study |
| Research citations | 7 | 3 |
| Dosing routes | SubQ | SubQ |
| Receptor targets | AMPK pathway, skeletal muscle | — |
| Half-life | — | — |
| Known side effects | 0 | 4 |
Research Areas
Top preclinical research areas — cited studies for each.
MOTS-c
- Improves insulin sensitivity
- Exercise mimetic (preclinical)
SS-31
- Treatment of Primary Mitochondrial Myopathy
- Improves physiological function in aging muscle
- Rescues muscle force
- Improves heart systolic function
- Increases ATP production
How People Use It
Reported routines — research only, not medical advice.
MOTS-c
- SubQ — Intraperitoneal injection (mice)
SS-31
Not yet documented for SS-31 — being compiled.
The Evidence
Key studies — click through to verify each on PubMed.
MOTS-c
7 sourced studies
- Source
The mitochondrial-derived peptide MOTS-c is a regulator of plasma metabolites and enhances insulin sensitivity.
AnimalStudy2019 82/100Rated 82/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology → - Source
MOTS-c: A promising mitochondrial-derived peptide for therapeutic exploitation
Review2023 80/100Rated 80/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology → - Source
MOTS-c improves intrinsic muscle mitochondrial bioenergetic health and efficiency in a PGC-1α/AMPK-dependent manner
95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology → - Source
Mots-c | C101H152N28O22S2 | CID 146675088 - PubChem
95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology →
SS-31
3 sourced studies
- Source
Mitochondria-targeted peptide SS-31 attenuates renal injury via an antioxidant effect in diabetic nephropathy.
2016 95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology → - Source
The mitochondrial-targeted peptide, SS-31, improves glomerular architecture in mice of advanced age.
2017 95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology → - Source
Elamipretide (SS-31) treatment attenuates age-associated post-translational modifications of heart proteins.
95/100Rated 95/100Source typePeer-reviewed studyIndependent sourcesstill being verifiedEvery claim links to the page it came from, and stronger sources rate higher. Full methodology →
Decision Guide
How to Choose
Neither is a “winner” — they suit different goals. Compare the documented benefits and evidence above against what you’re actually trying to achieve, note the research status (approved vs research-stage), and read each full guide before deciding. Many people also stack peptides rather than pick one.
Source MOTS-c
Shop MOTS-cSource SS-31