Verified Peptide ReviewLast reviewed: 18 April 2026
Compound Profile · Longevity
SS-31 / Elamipretide
SS-31 (elamipretide) is a four-amino-acid peptide designed to target mitochondria, investigated in research for mitochondrial function and cardioprotection.
LegalResearch onlyEvidenceEmergingHuman useNot approved
7.2/ 10
Peptide Score
Evidence
Safety
Regulatory
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Quick verdict
Mechanistically novel mitochondrial-targeting peptide. Early-stage human data are emerging.
Reality check
What this isn't
- Not approved for human use — research-only context
- No regulator has approved human use
- Evidence base is early — long-term data limited
- Side-effect profile not fully characterised
- Educational only — not medical advice
Full SS-31 / Elamipretide review
A short tetrapeptide engineered to cross the inner mitochondrial membrane.
Studied for cardioprotective and metabolic effects in research models.
Looking at alternatives?
Compounds with comparable research interest but different evidence, regulatory status, or risk profile.