Independent side-by-side comparison of Peptide Sciences and VPeptide — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: VPeptide holds the stronger independent lab grade (C vs A); Peptide Sciences carries more community reviews (1247).
Every figure below is either measured by an independent laboratory or read from the vendor's own website, and the source is named against it. PeptideAtlas is not affiliated with either vendor.
| Attribute | Peptide Sciences | VPeptide |
|---|---|---|
| Independent lab grade | C | A |
| Community rating | 4.7/5 (1247 reviews) | 4.8/5 (520 reviews) |
| COA available | Yes | Yes |
| Endotoxin tested | No | Yes |
| FDA warnings | None on record | None on record |
| Production country | Not specified | Canada |
| Year established | 1990 | 2022 |
| Checked | Peptide Sciences | VPeptide |
|---|---|---|
| Certificates of analysis | Not stated | None found on the site |
| Products listed | Not stated | 160 |
| Public pricing | Not stated | Listed on the site |
| Payment methods | Not stated | Cryptocurrency |
| Ships to | Not stated | Canada |
| Carriers | Not stated | Canada Post |
| Research-use-only notice | Not stated | Published |
Peptide Sciences states that COAs are available, and we found no certificates of analysis anywhere on VPeptide's site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Peptide Sciences does not state a shipping region, and VPeptide states it ships to Canada. Both are read from the vendors' own sites.
Full profiles: Peptide Sciences, VPeptide.
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