Core Peptides vs Loti Labs
Core Peptides scores higher, 74 to 58. The widest gap is transparency. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Core Peptides | Loti Labs | Edge |
|---|---|---|---|
| Testing & certificates | 84 | 74 | Core Peptides |
| Documentation depth | 40 | 56 | Loti Labs |
| Transparency | 100 | 52 | Core Peptides |
| Track record | 44 | 11 | Core Peptides |
| Catalog | 87 | 48 | Core Peptides |
| Pricing | 64 | 74 | Loti Labs |
| Ordering & service | 65 | 75 | Loti Labs |
Fact sheets side by side
| Core Peptides | Loti Labs | |
|---|---|---|
| Overall score | 74/100 (#4) | 58/100 (#24) |
| Status | Operating | Operating |
| Based in | Orlando, FL | US |
| Founded | 2019 | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Vanguard Laboratory | None named |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, blends, topical | vials, capsules, blends |
| Catalog size | ≈104 | — |
| BPC-157 5 mg listed price | $52 | $49.99 |
| Free shipping from | $200 | $99 |
| Payments | card | card, ach |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Core Peptides review · Loti Labs 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 52). Transparency fields are listed in the red flags we record.
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 Loti Labs?
On our formula Core Peptides scores higher (74 vs 58). The largest gap is in transparency (100 vs 52). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Core Peptides: yes. Loti Labs: yes. Lot-specific certificates — Core Peptides: yes; Loti Labs: yes.
Which is cheaper?
On the reference listing (BPC-157, 5 mg) Loti Labs is lower: $49.99 vs $52.