Research peptide supplier transparency
Inspect the published evidence sources and recent price coverage for every supplier we track. This directory describes what is available to check; it does not award a quality or safety score.
Current supplier COA sources
A source link records where a supplier publishes evidence. It does not authenticate a specific batch. Match the lot and report with the issuing laboratory before relying on it.
| Supplier | Offers / recent in stock | Published evidence | Independent verification |
|---|---|---|---|
| American Peptides | 79 / 63 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Amino Club | 63 / 54 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Amino USA | 105 / 103 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Blank Peptides | 37 / 0 | No COA page found | Not independently authenticated by PeptideTech |
| Cenexa Labs | 106 / 96 | No COA page found | Not independently authenticated by PeptideTech |
| Nova Peptide Supply | 46 / 45 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
Sources, funding and limits
Figures come from the same supplier observations used on product pages. PeptideTech may earn commissions from marked supplier links; commissions do not change price order or the median. Research listings are not prescription treatment options or evidence of clinical suitability.