Ranked by Finnrick trust score, purity testing, and price.
Paramount Peptides is our #1 pick for Gonadorelin, with a Finnrick trust score of 6.7/10. Across 11 tracked vendors, prices range from $20.00 to $120.00, 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 | Paramount Peptides | 6.7/10 | $6.54 |
| #2 | Oasis Labs | 5.7/10 | $8.40 |
| #3 | Peptidology | 7.6/10 | $5.56 |
| #4 | Peptide Sciences | 6.6/10 | $8.50 |
| #5 | SwissChemsOut of stock | 4.0/10 | $14.97 |
| #6 | Modern Research | untested | $6.60 |
| #7 | Biotech Peptides | untested | $7.90 |
| #8 | Umbrella LabsOut of stock | untested | $12.99 |
| #9 | Genetic Peptide | untested | $24.00 |
| #10 | Behemoth Labz | untested | $73.17 |
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.