SS-31
SS-31 (Elamipretide, MTP-131) is a mitochondria-targeting tetrapeptide that selectively concentrates in the inner mitochondrial membrane, binding cardiolipin. stabilise energy production. It has advanced furthest in clinical trials of the mitochondrial peptides.
Potency loss over time
Estimated potency retained (%) per storage condition. Hover the chart for details.
⚠ Modelled per compound from molecular structure — chain length, cyclisation, oxidation- and deamidation-prone residues and light sensitivity. Indicative only, not lab-measured per batch.
Time in body
| # | Suppliers | Price | €/mg | Price trend (6 months) | Purity | COA | Score ⓘ | |
|---|---|---|---|---|---|---|---|---|
| 1 |
 FIT
FIT PEPTIDES
in stock 🇳🇱 NL
| €39.95 | €7.99/mg | ▲0.4% | 99% | ✔ Janoshik | Shop → |
| # | Suppliers | Price | €/mg | Price trend (6 months) | Purity | COA | Score ⓘ | |
|---|---|---|---|---|---|---|---|---|
| 1 |
FIT
FIT PEPTIDES
in stock 🇳🇱 NL
| €49.95 | €5.0/mg | ▲5.2% | 99% | ✔ Janoshik | Shop → | |
| 2 |
 RET
RetaEU
in stock 🇳🇱 NL
| €49.95 | €5.0/mg | 99% | ✔ HPLC | Shop → | ||
| 3 |
 CRY
CRYSTAL PEPTIDES
in stock 🇧🇬 BG
| €49.99 | €5.0/mg | 99.7% | ✔ HPLC | Shop → | ||
| 4 |
 RES
RESEARCH PEPTIDES EUROPE
in stock 🇪🇸 ES
| €50.99 | €5.1/mg | 99.8% | ✔ HPLC/LC-MS | Shop → | ||
| 5 |
 ADR
ADRIA SCIENCE
in stock 🇸🇮 SI
| €57.9 | €5.79/mg | 99% | ✔ HPLC | Shop → | ||
| 6 |
 BEY
BEYOND PEPTIDES
in stock 🇪🇺 EU
| €67.58 | €6.76/mg | 99% | ✔ HPLC | Shop → |
| # | Suppliers | Price | €/mg | Price trend (6 months) | Purity | COA | Score ⓘ | |
|---|---|---|---|---|---|---|---|---|
| 1 |
 NEX
| €104.99 | €2.1/mg | 99% | ✔ HPLC | Shop → | ||
| 2 |
 OME
OMEGA PEPTIDES
in stock 🇳🇱 NL
| €139.99 | €2.8/mg | 99% | ✔ HPLC | Shop → | ||
| 3 |
RES
RESEARCH PEPTIDES EUROPE
in stock 🇪🇸 ES
| €189.99 | €3.8/mg | 99.8% | ✔ HPLC/LC-MS | Shop → | ||
| 4 |
 PRI
PRIMAL PEPTIDES
in stock 🇳🇱 NL
| €199.99 | €4.0/mg | 99% | ✔ HPLC | Shop → |
Prices manually checked and updated monthly — source: publicly available supplier data. No affiliate links, no paid placement.
SS-31
Mechanism, evidence level, EU status and COA guidance per compound. No dosages, no protocols — that belongs with a doctor.