Loti Labs vs Pure Peptide Labs
Pure Peptide Labs scores higher, 74 to 58. The widest gap is transparency. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Loti Labs | Pure Peptide Labs | Edge |
|---|---|---|---|
| Testing & certificates | 74 | 89 | Pure Peptide Labs |
| Documentation depth | 56 | 83 | Pure Peptide Labs |
| Transparency | 52 | 86 | Pure Peptide Labs |
| Track record | 11 | 19 | Pure Peptide Labs |
| Catalog | 48 | 71 | Pure Peptide Labs |
| Pricing | 74 | 50 | Loti Labs |
| Ordering & service | 75 | 70 | Loti Labs |
Fact sheets side by side
| Loti Labs | Pure Peptide Labs | |
|---|---|---|
| Overall score | 58/100 (#24) | 74/100 (#5) |
| Status | Operating | Operating |
| Based in | US | Cedar Park, TX |
| Founded | Not stated | 2024 |
| Third-party testing | Yes | Yes |
| Laboratories named | None named | Freedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, capsules, blends | vials, blends |
| Catalog size | — | ≈63 |
| BPC-157 5 mg listed price | $49.99 | — |
| Free shipping from | $99 | $0 |
| Payments | card, ach | card, ach |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Loti Labs review · Pure Peptide 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 (52 vs 86). Transparency fields are listed in the red flags we record.
Related comparisons
Core Peptides vs Pure Peptide Labs · Paramount Peptides vs Pure Peptide Labs · BioLongevity Labs vs Pure Peptide Labs
Frequently asked questions
Which is better, Loti Labs or Pure Peptide Labs?
On our formula Pure Peptide Labs scores higher (74 vs 58). The largest gap is in transparency (52 vs 86). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Loti Labs: yes. Pure Peptide Labs: yes. Lot-specific certificates — Loti Labs: yes; Pure Peptide Labs: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Loti Labs) and unknown (Pure Peptide Labs).