Head to head · October 2026
Koi Peptides vs Nexaph
Koi Peptides scores higher, 72 to 63. The widest gap is transparency. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Koi Peptides | Nexaph | Edge |
|---|---|---|---|
| Testing & certificates | 82 | 69 | Koi Peptides |
| Documentation depth | 65 | 60 | Koi Peptides |
| Transparency | 86 | 54 | Koi Peptides |
| Track record | 40 | 26 | Koi Peptides |
| Catalog | 48 | 79 | Nexaph |
| Pricing | 65 | 75 | Nexaph |
| Ordering & service | 90 | 80 | Koi Peptides |
Fact sheets side by side
| Koi Peptides | Nexaph | |
|---|---|---|
| Overall score | 72/100 (#7) | 63/100 (#16) |
| Status | Operating | Operating |
| Based in | Sheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA | unknown |
| Founded | 2022 | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Freedom Diagnostics | Janoshik Laboratory |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials | vials, kits, ampules |
| Catalog size | — | ≈60 |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $200 | $200 |
| Payments | card, ach, wire | card |
| Ships internationally | Yes | Yes |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Koi Peptides · Nexaph. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Koi Peptides or Nexaph?
On our formula Koi Peptides scores higher (72 vs 63). The largest gap is in transparency (86 vs 54). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Koi Peptides: yes. Nexaph: yes. Lot-specific certificates — Koi Peptides: yes; Nexaph: not verified.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Koi Peptides) and budget (Nexaph).