Head to head · October 2026
Koi Peptides vs Pure Peptide Labs
Pure Peptide Labs scores higher, 74 to 72. The widest gap is catalog. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Koi Peptides | Pure Peptide Labs | Edge |
|---|---|---|---|
| Testing & certificates | 82 | 89 | Pure Peptide Labs |
| Documentation depth | 65 | 83 | Pure Peptide Labs |
| Transparency | 86 | 86 | Even |
| Track record | 40 | 19 | Koi Peptides |
| Catalog | 48 | 71 | Pure Peptide Labs |
| Pricing | 65 | 50 | Koi Peptides |
| Ordering & service | 90 | 70 | Koi Peptides |
Fact sheets side by side
| Koi Peptides | Pure Peptide Labs | |
|---|---|---|
| Overall score | 72/100 (#7) | 74/100 (#5) |
| Status | Operating | Operating |
| Based in | Sheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA | Cedar Park, TX |
| Founded | 2022 | 2024 |
| Third-party testing | Yes | Yes |
| Laboratories named | Freedom Diagnostics | Freedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials | vials, blends |
| Catalog size | — | ≈63 |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $200 | $0 |
| Payments | card, ach, wire | card, ach |
| Ships internationally | Yes | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Koi Peptides · Pure Peptide Labs. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Koi Peptides or Pure Peptide Labs?
On our formula Pure Peptide Labs scores higher (74 vs 72). The largest gap is in catalog (48 vs 71). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Koi Peptides: yes. Pure Peptide Labs: yes. Lot-specific certificates — Koi Peptides: yes; Pure Peptide Labs: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Koi Peptides) and unknown (Pure Peptide Labs).