Core Peptides vs Peptide Warehouse
Core Peptides scores higher, 74 to 61. The widest gap is transparency. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Core Peptides | Peptide Warehouse | Edge |
|---|---|---|---|
| Testing & certificates | 84 | 82 | Core Peptides |
| Documentation depth | 40 | 63 | Peptide Warehouse |
| Transparency | 100 | 40 | Core Peptides |
| Track record | 44 | 11 | Core Peptides |
| Catalog | 87 | 70 | Core Peptides |
| Pricing | 64 | 69 | Peptide Warehouse |
| Ordering & service | 65 | 80 | Peptide Warehouse |
Fact sheets side by side
| Core Peptides | Peptide Warehouse | |
|---|---|---|
| Overall score | 74/100 (#4) | 61/100 (#20) |
| Status | Operating | Operating |
| Based in | Orlando, FL | US |
| Founded | 2019 | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Vanguard Laboratory | Freedom Diagnostics |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, blends, topical | vials, blends |
| Catalog size | ≈104 | ≈55 |
| BPC-157 5 mg listed price | $52 | $52.99 |
| Free shipping from | $200 | $299 |
| Payments | card | card, zelle, crypto |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Core Peptides review · Peptide Warehouse 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 that take card payments · Suppliers with peptide blends.
The factor that separates them
The widest gap is transparency (100 vs 40). Transparency fields are listed in the red flags we record.
Related comparisons
Core Peptides vs Pure Peptide Labs · Limitless Biotech vs Peptide Warehouse · Peptide Warehouse vs Verified Peptides
Frequently asked questions
Which is better, Core Peptides or Peptide Warehouse?
On our formula Core Peptides scores higher (74 vs 61). The largest gap is in transparency (100 vs 40). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Core Peptides: yes. Peptide Warehouse: yes. Lot-specific certificates — Core Peptides: yes; Peptide Warehouse: yes.
Which is cheaper?
On the reference listing (BPC-157, 5 mg) Core Peptides is lower: $52 vs $52.99.