| 1 | Peptide Giants (partner)
Lab: Janoshik Analytical · Vanguard Laboratory | 10/10 | 19.99 (0.04/mg, 5 Sept 2026) | — | 4.6 (59 reviews) |
| 2 | Purgo Labs (partner)
Lab: SteriGenix · Freedom Diagnostics | 10/10 | 59.99 (0.12/mg, 3 Aug 2026) | 1000mg 69.99 | 4.7 (80 reviews) |
| 3 | Idun Peptides
Lab: Kovera Labs (named in certificate captions only) | 9/10 | 34.99 (0.07/mg, 5 Sept 2026) | — | 4.8 (97 reviews) |
| 4 | TrustedPeps (partner)
Lab: Freedom Diagnostics (on certificates) | 9/10 | 35.00 (0.07/mg, 5 Sept 2026) | — | 4.7 (90 reviews) |
| 5 | Ameano Peptides (partner)
Lab: Janoshik Analytical | 9/10 | 68.00 (0.14/mg, 5 Sept 2026) | — | 4.7 (407 reviews) |
| 6 | Amino Club (partner)
Lab: ILS Labs | 9/10 | 69.99 (0.14/mg, 23 Aug 2026) | — | 4.6 (400 reviews) |
| 7 | Ion Peptide
Lab: Kovera Labs (on certificates) · FAQ claims Freedom Diagnostics | 8/10 | 30.80 (0.06/mg, 6 Sept 2026, sale; list $44.00 struck) | — | 4.6 (313 reviews) |
| 8 | PeakForce Labs
Lab: Freedom Diagnostics (on certificates) | 8/10 | 59.00 (0.12/mg, 5 Sept 2026) | — | 4.8 (156 reviews) |
| 9 | Mile High Compounds (partner)
Lab: Kovera Labs · Chromate | 8/10 | 59.99 (0.12/mg, 11 Sept 2026, sale price; list $69.99; 10 mL vial) | — | 4.8 (485 reviews) |
| 10 | EZ Peptides (partner)
Lab: Janoshik Analytical | 8/10 | 68.00 (0.14/mg, 6 Sept 2026, Buffered NAD+) | 250mg 44.00 | no record |
| 11 | BioLongevity Labs
Lab: SafeCert Labs · MDx BioAnalytical · BioRegen | 8/10 | 124.99 (0.25/mg, 5 Sept 2026, sale price; 'regular' $249.97) | — | no record |
| 12 | Disguised Alpha
Lab: Chromate | 7/10 | 44.99 (0.09/mg, 23 Aug 2026, 10 mL liquid format) | 1000mg 79.99 | no record |
| 13 | Global Aminos
Lab: Freedom Diagnostics (on certificates) | 7/10 | 52.69 (0.11/mg, 5 Sept 2026, earlier same-day read showed $37.19; verifier read $52.69) | — | 4.7 (38 reviews) |
| 14 | Instant Peptides
Lab: Kovera Labs · Freedom Diagnostics | 7/10 | 55.00 (0.11/mg, 6 Sept 2026, shop grid shows $44.95) | — | no record |
| 15 | Honest Peptide
Lab: Freedom Diagnostics (on certificates) | 7/10 | not sold at 500mg | 1000mg 112.00 | 4.3 (44 reviews) |
| 16 | Everest Peptides
Lab: Freedom Diagnostics | 7/10 | 56.24 (0.11/mg, 5 Sept 2026) | — | 4.8 (45 reviews) |
| 17 | Purus Peptides
Lab: Janoshik Analytical (peptides) · Vanguard Laboratory (ancillaries) | 7/10 | 62.00 (0.12/mg, 5 Sept 2026) | — | 4.4 (26 reviews) |
| 18 | Midwest Peptide
Lab: Precision Mass Spec (on certificates) | 7/10 | 69.99 (0.14/mg, 5 Sept 2026) | — | 4.9 (259 reviews) |
| 19 | Evo Labs Research
Lab: Janoshik Analytical · Kovera Labs | 7/10 | 69.99 (0.14/mg, 5 Sept 2026) | — | 4.5 (26 reviews) |
| 20 | Profound Aminos
Lab: Janoshik Analytical | 7/10 | 93.00 (0.19/mg, 6 Sept 2026) | — | 4.6 (216 reviews) |
| 21 | PS Peptides (partner)
Lab: North American Diagnostics | 7/10 | not sold at 500mg | 100mg 44.99 | 4.1 (174 reviews) |
| 22 | Optima Supply
Lab: Janoshik Analytical · Chromate Labs · ILS-Lab | 6/10 | 49.99 (0.10/mg, 5 Sept 2026) | — | no record |
| 23 | Elite Edge Biotech (partner)
Lab: Baler Lab | 6/10 | 58.00 (0.12/mg, 23 Aug 2026, sale price; list $116) | 1000mg 90.00 | 4.7 (168 reviews) |
| 24 | AMC Essentials | 6/10 | 59.99 (0.12/mg, 11 Sept 2026) | — | 4.9 (295 reviews) |
| 25 | Arizen BioLabs (partner)
Lab: Janoshik (on certificates) | 6/10 | 59.99 (0.12/mg, 5 Sept 2026) | — | 4.8 (42 reviews) |
| 26 | Ascension Peptides
Lab: Kovera Labs · MZ Biolabs | 5/10 | not sold at 500mg | 1000mg 104.00 | no record |
| 27 | Swiss Chems
Lab: Janoshik Analytical | 4/10 | not sold at 500mg | 100mg 47.95 | no record |
| 28 | Core Peptides | 3/10 | not sold at 500mg | 100mg 47.00 | 4.0 (65 reviews, Knoji) |
| 29 | Atomik Labz | 2/10 | not sold at 500mg | 700mg 85.00 · 1000mg 109.00 | 2.7 (34 reviews) |
| 30 | Polaris Peptides | 2/10 | 90.00 (0.18/mg, 6 Sept 2026, public store API; out of stock) | — | 4.1 (34 reviews) |