Head to head · October 2026
Core Peptides vs Receptor Chem
Core Peptides scores higher, 74 to 50. The widest gap is testing & certificates. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Core Peptides | Receptor Chem | Edge |
|---|---|---|---|
| Testing & certificates | 84 | 40 | Core Peptides |
| Documentation depth | 40 | 0 | Core Peptides |
| Transparency | 100 | 78 | Core Peptides |
| Track record | 44 | 39 | Core Peptides |
| Catalog | 87 | 64 | Core Peptides |
| Pricing | 64 | 70 | Receptor Chem |
| Ordering & service | 65 | 90 | Receptor Chem |
Fact sheets side by side
| Core Peptides | Receptor Chem | |
|---|---|---|
| Overall score | 74/100 (#4) | 50/100 (#28) |
| Status | Operating | Operating |
| Based in | Orlando, FL | Stanmore, London |
| Founded | 2019 | 2011 |
| Third-party testing | Yes | Limited |
| Laboratories named | Vanguard Laboratory | None named |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials, blends, topical | vials, bulk, blends |
| Catalog size | ≈104 | — |
| BPC-157 5 mg listed price | $52 | — |
| Free shipping from | $200 | — |
| Payments | card | card, wire, crypto |
| Ships internationally | No | Yes |
| Research-use disclaimer | Yes | Not verified |
| FDA warning letter | None found | None found |
Read the full reviews: Core Peptides · Receptor Chem. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Core Peptides or Receptor Chem?
On our formula Core Peptides scores higher (74 vs 50). The largest gap is in testing & certificates (84 vs 40). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Core Peptides: yes. Receptor Chem: yes. Lot-specific certificates — Core Peptides: yes; Receptor Chem: not verified.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Core Peptides) and budget (Receptor Chem).