Vendor and compound
SS-31 from Polaris Peptides
Polaris Peptides lists SS-31 at $5.16 per mg, 4% under the $5.40 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by TrustPointe Analytics LLC, averaging 99.82% purity. The cheapest listed price for SS-31 anywhere in the index is $3.00 per mg at Hydro Research Peptides.
All SS-31 vendors · Polaris Peptides profile · scores 86.6 of 100, rank 7 · 1 certificate for this compound · verified 1 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 25 mg | $129 | $5.16 | -4% | SS-31 25mg (elamipretide) |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| POL-SS31-1 | 23 Feb 2026 | 99.817% | 25 mg → 26.07 mg | TrustPointe Analytics LLC | Open |
Other vendors selling SS-31
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Ascend Science | 90.1 | $5.25 | 1 |
| Origin Labs | 87.7 | — | 1 |
| Bench Grade Peptides | 86.8 | $8.00 | 1 |
| Hydro Research Peptides | 86.5 | $3.00 | 0 |
| PeptidePlugs | 86.3 | $4.00 | 6 |
| ZC Labs | 83.2 | $3.75 | 1 |
| Koi Peptides | 79.8 | $5.00 | 0 |
| Ascension Peptides | 79 | $8.00 | 1 |
Ordered by overall evidence score. See every vendor listing SS-31.
Questions
Is SS-31 from Polaris Peptides third-party tested?
Yes. 1 certificate for SS-31 from Polaris Peptides is on file, signed by TrustPointe Analytics LLC. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does SS-31 cost at Polaris Peptides?
$5.16 per milligram, from 25 mg at $129. The peer median across every vendor we price for SS-31 is $5.40 per mg, so this is -4% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Polaris Peptides a good place to buy SS-31?
Polaris Peptides scores 86.6 of 100 on the published rubric and ranks 7 overall, computed from its documentation rather than from opinion. For SS-31 specifically it has 1 certificate on file. Hydro Research Peptides lists it cheaper at $3.00 per mg.