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 |
|---|---|---|---|
| AllMyPeptides | 26 / 19 | No COA source link recorded | Not independently authenticated by PeptideTech |
| American Peptides | 59 / 52 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Amino Club | 57 / 48 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Amino USA | 105 / 105 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| AminoVault | 20 / 20 | No COA source link recorded | Not independently authenticated by PeptideTech |
| BioStacks | 21 / 18 | No COA source link recorded | Not independently authenticated by PeptideTech |
| Blank Peptides | 37 / 34 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Cenexa Labs | 106 / 102 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Direct Peptides | 40 / 40 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| LiveWell Peptides | 0 / 0 | No COA source link recorded | Not independently authenticated by PeptideTech |
| Modified Aminos | 41 / 41 | No COA source link recorded | Not independently authenticated by PeptideTech |
| Nova Peptide Supply | 36 / 36 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Nuvion Peptides | 29 / 28 | No COA source link recorded | Not independently authenticated by PeptideTech |
| Particle Peptides | 28 / 28 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Peak Peptide | 0 / 0 | Supplier COA source ↗ | Not independently authenticated by PeptideTech |
| Pepspan | 9 / 9 | No COA source link recorded | Not independently authenticated by PeptideTech |
| PeptiLab | 13 / 13 | No COA source link recorded | Not independently authenticated by PeptideTech |
| PhaseOne | 30 / 28 | No COA source link recorded | Not independently authenticated by PeptideTech |
| PSPeptides | 0 / 0 | No COA source link recorded | Not independently authenticated by PeptideTech |
| US Peptide Labs | 44 / 44 | 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.