Head to head · October 2026
Ascension Peptides vs USA Peptides
Ascension Peptides scores higher, 77 to 24. The widest gap is testing & certificates. Same formula, same data fields, October 2026.
77/100
Factor by factor
| Factor | Ascension Peptides | USA Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 100 | 6 | Ascension Peptides |
| Documentation depth | 68 | 0 | Ascension Peptides |
| Transparency | 94 | 40 | Ascension Peptides |
| Track record | 11 | 0 | Ascension Peptides |
| Catalog | 71 | 63 | Ascension Peptides |
| Pricing | 60 | 45 | Ascension Peptides |
| Ordering & service | 75 | 57 | Ascension Peptides |
Fact sheets side by side
| Ascension Peptides | USA Peptides | |
|---|---|---|
| Overall score | 77/100 (#2) | 24/100 (#46) |
| Status | Operating | Operating |
| Based in | Kansas City, MO (mailing address on contact page) | US |
| Founded | Not stated | Not stated |
| Third-party testing | Yes | Not verified |
| Laboratories named | Kovera Labs, MZ Biolabs | None named |
| Public certificates | Yes | No |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials, blends | vials, blends |
| Catalog size | ≈42 | ≈16 |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | — | — |
| Payments | card, ach | card |
| Ships internationally | No | Not verified |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Ascension Peptides · USA Peptides. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Ascension Peptides or USA Peptides?
On our formula Ascension Peptides scores higher (77 vs 24). The largest gap is in testing & certificates (100 vs 6). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Ascension Peptides: yes. USA Peptides: no. Lot-specific certificates — Ascension Peptides: yes; USA Peptides: not verified.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Ascension Peptides) and premium (USA Peptides).