Head to head · October 2026
Koi Peptides vs Peptide Pros
Koi Peptides scores higher, 72 to 63. The widest gap is documentation depth. Same formula, same data fields, October 2026.
63/100
Factor by factor
| Factor | Koi Peptides | Peptide Pros | Edge |
|---|---|---|---|
| Testing & certificates | 82 | 66 | Koi Peptides |
| Documentation depth | 65 | 45 | Koi Peptides |
| Transparency | 86 | 68 | Koi Peptides |
| Track record | 40 | 36 | Koi Peptides |
| Catalog | 48 | 64 | Peptide Pros |
| Pricing | 65 | 82 | Peptide Pros |
| Ordering & service | 90 | 95 | Peptide Pros |
Fact sheets side by side
| Koi Peptides | Peptide Pros | |
|---|---|---|
| Overall score | 72/100 (#7) | 63/100 (#17) |
| Status | Operating | Operating |
| Based in | Sheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA | Miami Beach, FL |
| Founded | 2022 | 2013 |
| Third-party testing | Yes | Limited |
| Laboratories named | Freedom Diagnostics | MZ Biolabs |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials | vials, blends, bulk |
| Catalog size | — | — |
| BPC-157 5 mg listed price | — | $47.25 |
| Free shipping from | $200 | $150 |
| Payments | card, ach, wire | card, ach, crypto, wire |
| Ships internationally | Yes | Yes |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Koi Peptides · Peptide Pros. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Koi Peptides or Peptide Pros?
On our formula Koi Peptides scores higher (72 vs 63). The largest gap is in documentation depth (65 vs 45). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Koi Peptides: yes. Peptide Pros: yes. Lot-specific certificates — Koi Peptides: yes; Peptide Pros: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Koi Peptides) and mid (Peptide Pros).