Head to head · October 2026
Ascension Peptides vs Receptor Chem
Ascension Peptides scores higher, 76 to 58. The widest gap is testing & certificates. Same formula, same data fields, October 2026.
76/100
Factor by factor
| Factor | Ascension Peptides | Receptor Chem | Edge |
|---|---|---|---|
| Testing & certificates | 100 | 40 | Ascension Peptides |
| Transparency | 94 | 78 | Ascension Peptides |
| Track record | 11 | 39 | Receptor Chem |
| Catalog | 71 | 64 | Ascension Peptides |
| Pricing | 60 | 70 | Receptor Chem |
| Ordering & service | 75 | 90 | Receptor Chem |
Fact sheets side by side
| Ascension Peptides | Receptor Chem | |
|---|---|---|
| Overall score | 76/100 (#3) | 58/100 (#27) |
| Status | Operating | Operating |
| Based in | Kansas City, MO (mailing address on contact page) | Stanmore, London |
| Founded | Not stated | 2011 |
| Third-party testing | Yes | Limited |
| Laboratories named | Kovera Labs, MZ Biolabs | None named |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials, blends | vials, bulk, blends |
| Catalog size | ≈42 | — |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | — | — |
| Payments | card, ach | card, wire, crypto |
| Ships internationally | No | Yes |
| Research-use disclaimer | Yes | Not verified |
| FDA warning letter | None found | None found |
Read the full reviews: Ascension Peptides · Receptor Chem. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Ascension Peptides or Receptor Chem?
On our formula Ascension Peptides scores higher (76 vs 58). The largest gap is in testing & certificates (100 vs 40). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Ascension Peptides: yes. Receptor Chem: yes. Lot-specific certificates — Ascension Peptides: yes; Receptor Chem: not verified.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Ascension Peptides) and budget (Receptor Chem).