Head to head · October 2026
Koi Peptides vs Limitless Biotech
Koi Peptides scores higher, 72 to 61. The widest gap is documentation depth. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Koi Peptides | Limitless Biotech | Edge |
|---|---|---|---|
| Testing & certificates | 82 | 82 | Even |
| Documentation depth | 65 | 15 | Koi Peptides |
| Transparency | 86 | 94 | Limitless Biotech |
| Track record | 40 | 19 | Koi Peptides |
| Catalog | 48 | 70 | Limitless Biotech |
| Pricing | 65 | 40 | Koi Peptides |
| Ordering & service | 90 | 40 | Koi Peptides |
Fact sheets side by side
| Koi Peptides | Limitless Biotech | |
|---|---|---|
| Overall score | 72/100 (#7) | 61/100 (#19) |
| Status | Operating | Operating |
| Based in | Sheridan, WY (registered address); warehouses Austin, TX and Long Beach, CA | Pensacola, FL |
| Founded | 2022 | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Freedom Diagnostics | None named |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials | vials, nasal, capsules, blends |
| Catalog size | — | — |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $200 | — |
| Payments | card, ach, wire | Not stated |
| Ships internationally | Yes | Not verified |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Koi Peptides · Limitless Biotech. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Koi Peptides or Limitless Biotech?
On our formula Koi Peptides scores higher (72 vs 61). The largest gap is in documentation depth (65 vs 15). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Koi Peptides: yes. Limitless Biotech: yes. Lot-specific certificates — Koi Peptides: yes; Limitless Biotech: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Koi Peptides) and unknown (Limitless Biotech).