Ranked by Finnrick trust score, purity testing, and price.
NUPEPS Peptides is our #1 pick for ARA-290, with a Finnrick trust score of 9.0/10. Across 36 tracked vendors, prices range from $29.00 to $855.95, verified by Peptide Compare on 24 Sep 2026. Prices are scraped from vendor sites; trust scores come from Finnrick blind tests.
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| Rank | Vendor | Trust score | Per mg |
|---|---|---|---|
| #1 | NUPEPS Peptides | 9.0/10 | $5.75 |
| #2 | Eros Peptides | 6.9/10 | $3.75 |
| #3 | Bio Pepz | 6.5/10 | $2.26 |
| #4 | Paramount Peptides | 6.7/10 | $5.53 |
| #5 | Bulk Peptides | 7.5/10 | $18.00 |
| #6 | Simple Peptide | 7.0/10 | $7.60 |
| #7 | BioLongevity Labs | 6.0/10 | $6.33 |
| #8 | SwissChems | 4.0/10 | $53.50 |
| #9 | Peptide Sciences | 6.6/10 | $5.94 |
| #10 | PeptidologyOut of stock | 7.6/10 | $5.00 |
Our composite score weighs Finnrick blind-testing trust scores (62%), price competitiveness (25%), and stock availability (13%). Vendors without Finnrick data are sorted by price below scored vendors. We never accept payment for rankings. Learn more.