Head to head · October 2026
Ascension Peptides vs Xcel Peptides
Ascension Peptides scores higher, 77 to 36. The widest gap is documentation depth. Same formula, same data fields, October 2026.
77/100
Factor by factor
| Factor | Ascension Peptides | Xcel Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 100 | 40 | Ascension Peptides |
| Documentation depth | 68 | 0 | Ascension Peptides |
| Transparency | 94 | 78 | Ascension Peptides |
| Track record | 11 | 0 | Ascension Peptides |
| Catalog | 71 | 48 | Ascension Peptides |
| Pricing | 60 | 40 | Ascension Peptides |
| Ordering & service | 75 | 15 | Ascension Peptides |
Fact sheets side by side
| Ascension Peptides | Xcel Peptides | |
|---|---|---|
| Overall score | 77/100 (#2) | 36/100 (#38) |
| Status | Operating | FDA warning letter |
| Based in | Kansas City, MO (mailing address on contact page) | Sheridan, WY |
| Founded | Not stated | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Kovera Labs, MZ Biolabs | None named |
| Public certificates | Yes | No |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials, blends | vials |
| Catalog size | ≈42 | — |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | — | — |
| Payments | card, ach | Not stated |
| Ships internationally | No | Not verified |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | 2024-12-10 |
Read the full reviews: Ascension Peptides · Xcel Peptides. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Ascension Peptides or Xcel Peptides?
On our formula Ascension Peptides scores higher (77 vs 36). The largest gap is in documentation depth (68 vs 0). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Ascension Peptides: yes. Xcel Peptides: no. Lot-specific certificates — Ascension Peptides: yes; Xcel Peptides: not verified.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Ascension Peptides) and unknown (Xcel Peptides).