Core Peptides vs Umbrella Labs
Core Peptides scores higher, 74 to 59. The widest gap is track record. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Core Peptides | Umbrella Labs | Edge |
|---|---|---|---|
| Testing & certificates | 84 | 86 | Umbrella Labs |
| Documentation depth | 40 | 53 | Umbrella Labs |
| Transparency | 100 | 76 | Core Peptides |
| Track record | 44 | 0 | Core Peptides |
| Catalog | 87 | 70 | Core Peptides |
| Pricing | 64 | 69 | Umbrella Labs |
| Ordering & service | 65 | 50 | Core Peptides |
Fact sheets side by side
| Core Peptides | Umbrella Labs | |
|---|---|---|
| Overall score | 74/100 (#4) | 59/100 (#23) |
| Status | Operating | FDA warning letter |
| Based in | Orlando, FL | Tucson, AZ |
| Founded | 2019 | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Vanguard Laboratory | MZ BioLabs, Vanguard Laboratory |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials, blends, topical | vials, blends, nasal, capsules, bulk |
| Catalog size | ≈104 | — |
| BPC-157 5 mg listed price | $52 | $48.99 |
| Free shipping from | $200 | $0 |
| Payments | card | card, crypto, ach |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | 2021-05-18 |
Read the full reviews: Core Peptides review · Umbrella Labs review. Both suppliers sell materials labeled for laboratory research use only.
Both appear on: US-based suppliers · Suppliers with public certificates of analysis · Suppliers that take card payments · Suppliers with peptide blends.
The factor that separates them
The widest gap is track record (44 vs 0). Track record includes FDA letters; see how to check an FDA warning letter.
Related comparisons
Core Peptides vs Pure Peptide Labs · Core Peptides vs Paramount Peptides · BioLongevity Labs vs Core Peptides
Frequently asked questions
Which is better, Core Peptides or Umbrella Labs?
On our formula Core Peptides scores higher (74 vs 59). The largest gap is in track record (44 vs 0). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Core Peptides: yes. Umbrella Labs: yes. Lot-specific certificates — Core Peptides: yes; Umbrella Labs: not verified.
Which is cheaper?
On the reference listing (BPC-157, 5 mg) Umbrella Labs is lower: $48.99 vs $52.