| 1 | Peptide Giants (partner)
Lab: Janoshik Analytical · Vanguard Laboratory | 10/10 | 48.00 (4.80/mg, 5 Sept 2026) | — | 4.6 (59 reviews) |
| 2 | Purgo Labs (partner)
Lab: SteriGenix · Freedom Diagnostics | 10/10 | 49.99 (5.00/mg, 14 Aug 2026) | — | 4.7 (80 reviews) |
| 3 | Chameleon Peptides
Lab: Janoshik Analytical · Vanguard | 10/10 | 72.90 (7.29/mg, 27 Aug 2026) | — | 4.9 (311 reviews) |
| 4 | Amino Club (partner)
Lab: ILS Labs | 9/10 | 39.99 (4.00/mg, 23 Aug 2026) | — | 4.6 (400 reviews) |
| 5 | Idun Peptides
Lab: Kovera Labs (named in certificate captions only) | 9/10 | 44.99 (4.50/mg, 5 Sept 2026) | — | 4.8 (97 reviews) |
| 6 | Ameano Peptides (partner)
Lab: Janoshik Analytical | 9/10 | 75.00 (7.50/mg, 5 Sept 2026, sold as TB-4 (Thymosin Beta-4)) | — | 4.7 (407 reviews) |
| 7 | Rivn Peptides
Lab: Freedom Diagnostics | 8/10 | 49.99 (5.00/mg, 27 Aug 2026, sale price; list $59.99) | — | 4.9 (326 reviews) |
| 8 | Mile High Compounds (partner)
Lab: Kovera Labs · Chromate | 8/10 | 59.99 (6.00/mg, 11 Sept 2026, sale price; list $69.99) | — | 4.8 (485 reviews) |
| 9 | EZ Peptides (partner)
Lab: Janoshik Analytical | 8/10 | 68.00 (6.80/mg, 6 Sept 2026, sold as TB4 10mg (full-length); Frag 17-23 excluded) | — | no record |
| 10 | BioLongevity Labs
Lab: SafeCert Labs · MDx BioAnalytical · BioRegen | 8/10 | 82.49 (8.25/mg, 5 Sept 2026, sale price; 'regular' $164.97) | — | no record |
| 11 | Protide Health | 8/10 | 85.00 (8.50/mg, 6 Aug 2026, size stated in product name) | — | no record |
| 12 | Northline Labs
Lab: Horizon Analytical (on certificates) | 8/10 | 99.99 (10.00/mg, 6 Aug 2026, size stated in product name) | — | 4.5 (414 reviews) |
| 13 | Global Aminos
Lab: Freedom Diagnostics (on certificates) | 7/10 | 39.59 (3.96/mg, 5 Sept 2026) | — | 4.7 (38 reviews) |
| 14 | Modern Aminos (partner)
Lab: Freedom Diagnostics (on certificate) · Kovera · Vanguard · Chromate · TrustPointe (claimed) | 7/10 | 41.30 (4.13/mg, 6 Sept 2026) | 5mg 23.80 | no record |
| 15 | Midwest Peptide
Lab: Precision Mass Spec (on certificates) | 7/10 | 49.99 (5.00/mg, 5 Sept 2026) | — | 4.9 (259 reviews) |
| 16 | Everest Peptides
Lab: Freedom Diagnostics | 7/10 | 49.99 (5.00/mg, 5 Sept 2026) | — | 4.8 (45 reviews) |
| 17 | Evo Labs Research
Lab: Janoshik Analytical · Kovera Labs | 7/10 | 49.99 (5.00/mg, 5 Sept 2026) | — | 4.5 (26 reviews) |
| 18 | Instant Peptides
Lab: Kovera Labs · Freedom Diagnostics | 7/10 | 50.00 (5.00/mg, 6 Sept 2026, shop grid shows $45.95) | — | no record |
| 19 | Profound Aminos
Lab: Janoshik Analytical | 7/10 | 55.00 (5.50/mg, 6 Sept 2026) | 5mg 33.00 | 4.6 (216 reviews) |
| 20 | Glacier Aminos
Lab: Ethos Analytics (on certificates) | 7/10 | 58.99 (5.90/mg, 5 Sept 2026, read via public store API) | — | 4.6 (113 reviews) |
| 21 | Honest Peptide
Lab: Freedom Diagnostics (on certificates) | 7/10 | 63.00 (6.30/mg, 5 Sept 2026) | — | 4.3 (44 reviews) |
| 22 | PS Peptides (partner)
Lab: North American Diagnostics | 7/10 | 79.99 (8.00/mg, 5 Sept 2026) | — | 4.1 (174 reviews) |
| 23 | Elite Edge Biotech (partner)
Lab: Baler Lab | 6/10 | 38.00 (3.80/mg, 23 Aug 2026, sale price; list $76) | — | 4.7 (168 reviews) |
| 24 | NeuroLabs Research
Lab: Freedom Diagnostics | 6/10 | 47.94 (4.79/mg, 5 Sept 2026, -20% sale from $95.88 struck price; an earlier same-day read showed $39.95) | — | 4.1 (31 reviews) |
| 25 | AMC Essentials | 6/10 | 64.99 (6.50/mg, 11 Sept 2026) | — | 4.9 (295 reviews) |
| 26 | Optima Supply
Lab: Janoshik Analytical · Chromate Labs · ILS-Lab | 6/10 | 65.00 (6.50/mg, 5 Sept 2026) | — | no record |
| 27 | Arizen BioLabs (partner)
Lab: Janoshik (on certificates) | 6/10 | 79.99 (8.00/mg, 5 Sept 2026) | — | 4.8 (42 reviews) |
| 28 | Lost Coast Aminos
Lab: BTLabs (on certificates) | 5/10 | 34.00 (3.40/mg, 5 Sept 2026, BPC-157 and NAD+ shown only as ranges — excluded) | — | 4.7 (37 reviews) |
| 29 | BioEdge Research Labs | 5/10 | 67.00 (6.70/mg, 11 Sept 2026, sold as 'TB4 (TB500)') | — | 4.5 (15 reviews) |
| 30 | Ascension Peptides
Lab: Kovera Labs · MZ Biolabs | 5/10 | not sold at 10mg | 5mg 54.00 | no record |
| 31 | Swiss Chems
Lab: Janoshik Analytical | 4/10 | not sold at 10mg | 2mg 23.96 | no record |
| 32 | Ascend Amino | 2/10 | 50.00 (5.00/mg, 5 Sept 2026, read from the store's public product API) | — | 4.6 (39 reviews) |
| 33 | Atomik Labz | 2/10 | 65.00 (6.50/mg, 11 Sept 2026, store feed; product pages require login) | 20mg 140.00 | 2.7 (34 reviews) |
| 34 | Polaris Peptides | 2/10 | 70.00 (7.00/mg, 6 Sept 2026, public store API) | — | 4.1 (34 reviews) |
| 35 | FelixChem (Felix Chemical Supply) | 2/10 | 70.00 (7.00/mg, 11 Sept 2026, store feed; product pages redirect to registration) | — | 3.5 (2 reviews) |