Pure Peptide Labs vs Swiss Chems
Pure Peptide Labs scores higher, 74 to 59. The widest gap is documentation depth. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Pure Peptide Labs | Swiss Chems | Edge |
|---|---|---|---|
| Testing & certificates | 89 | 88 | Pure Peptide Labs |
| Documentation depth | 83 | 58 | Pure Peptide Labs |
| Transparency | 86 | 100 | Swiss Chems |
| Track record | 19 | 4 | Pure Peptide Labs |
| Catalog | 71 | 70 | Pure Peptide Labs |
| Pricing | 50 | 50 | Even |
| Ordering & service | 70 | 95 | Swiss Chems |
Fact sheets side by side
| Pure Peptide Labs | Swiss Chems | |
|---|---|---|
| Overall score | 74/100 (#5) | 59/100 (#22) |
| Status | Operating | FDA warning letter |
| Based in | Cedar Park, TX | New York, NY |
| Founded | 2024 | 2018 |
| Third-party testing | Yes | Yes |
| Laboratories named | Freedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec | Janoshik Analytical |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, blends | capsules, vials, bulk, blends |
| Catalog size | ≈63 | — |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $0 | $100 |
| Payments | card, ach | card, crypto, zelle, ach |
| Ships internationally | No | Yes |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | 2024-12-10 |
Read the full reviews: Pure Peptide Labs review · Swiss Chems review. Both suppliers sell materials labeled for laboratory research use only.
Both appear on: US-based suppliers · Suppliers with public certificates of analysis · Lot-level third-party testing · Suppliers that take card payments · Suppliers with peptide blends.
The factor that separates them
The widest gap is documentation depth (83 vs 58). What that factor measures is explained in how to read a certificate of analysis and lot-level vs sample testing.
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Frequently asked questions
Which is better, Pure Peptide Labs or Swiss Chems?
On our formula Pure Peptide Labs scores higher (74 vs 59). The largest gap is in documentation depth (83 vs 58). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Pure Peptide Labs: yes. Swiss Chems: yes. Lot-specific certificates — Pure Peptide Labs: yes; Swiss Chems: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are unknown (Pure Peptide Labs) and unknown (Swiss Chems).