Express Peptides vs MY PEPTIDES
The two suppliers on this index that ship pre-mixed rather than lyophilised material — so this is a comparison within the format, not between formats.
Side by side
| Express Peptides | MY PEPTIDES | |
|---|---|---|
| Stated purity | Minimum purity of >99% (stated in FAQ) | 99%+ HPLC |
| COA access | Not stated | Public library |
| Testing method | Not stated | HPLC purity + mass spectrometry identity |
| Product format | Both | Pre-mixed solution |
| Dispatch | Next-day delivery if placed before 3pm | Same working day when confirmed before the daily cut-off; tracked next-working-day UK delivery |
| UK-based | Yes | Yes |
| Company number | Not stated | Not stated |
| Checked on | 29 Jul 2026 | 29 Jul 2026 |
Profiles
Attributes are recorded from each supplier’s own public website on the dates shown and go out of date. “Not stated” means the information was not found on their site, not that it is absent from their business. This page compares published criteria and does not rank the two suppliers or recommend either. Express Peptides and MY PEPTIDES, and any related names or marks, are the property of their respective owners; neither is affiliated with or endorses this index. Verify anything that matters directly with the supplier before purchasing.