Core Peptides vs Paramount Peptides
Paramount Peptides scores higher, 76 to 74. The widest gap is documentation depth. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Core Peptides | Paramount Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 84 | 88 | Paramount Peptides |
| Documentation depth | 40 | 65 | Paramount Peptides |
| Transparency | 100 | 100 | Even |
| Track record | 44 | 39 | Core Peptides |
| Catalog | 87 | 79 | Core Peptides |
| Pricing | 64 | 65 | Paramount Peptides |
| Ordering & service | 65 | 45 | Core Peptides |
Fact sheets side by side
| Core Peptides | Paramount Peptides | |
|---|---|---|
| Overall score | 74/100 (#4) | 76/100 (#3) |
| Status | Operating | Operating |
| Based in | Orlando, FL | Irvine, CA |
| Founded | 2019 | 2012 |
| Third-party testing | Yes | Yes |
| Laboratories named | Vanguard Laboratory | Janoshik |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, blends, topical | vials, capsules, blends |
| Catalog size | ≈104 | ≈78 |
| BPC-157 5 mg listed price | $52 | — |
| Free shipping from | $200 | $500 |
| Payments | card | Not stated |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Core Peptides review · Paramount Peptides review. Both suppliers sell materials labeled for laboratory research use only.
Both appear on: US-based suppliers · Suppliers with public certificates of analysis · Lot-level third-party testing · Suppliers with peptide blends.
The factor that separates them
The widest gap is documentation depth (40 vs 65). What that factor measures is explained in how to read a certificate of analysis and lot-level vs sample testing.
Related comparisons
Core Peptides vs Pure Peptide Labs · Ascension Peptides vs Paramount Peptides · Paramount Peptides vs Pure Peptide Labs
Frequently asked questions
Which is better, Core Peptides or Paramount Peptides?
On our formula Paramount Peptides scores higher (76 vs 74). The largest gap is in documentation depth (40 vs 65). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Core Peptides: yes. Paramount Peptides: yes. Lot-specific certificates — Core Peptides: yes; Paramount Peptides: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Core Peptides) and mid (Paramount Peptides).