Peptide RankingAlpha Peptides vs Pure Peptide Labs
Pure Peptide Labs scores higher, 74 to 71. The widest gap is documentation depth. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Alpha Peptides | Pure Peptide Labs | Edge |
|---|---|---|---|
| Testing & certificates | 92 | 89 | Alpha Peptides |
| Documentation depth | 51 | 83 | Pure Peptide Labs |
| Transparency | 100 | 86 | Alpha Peptides |
| Track record | 12 | 19 | Pure Peptide Labs |
| Catalog | 63 | 71 | Pure Peptide Labs |
| Pricing | 45 | 50 | Pure Peptide Labs |
| Ordering & service | 62 | 70 | Pure Peptide Labs |
Fact sheets side by side
| Alpha Peptides | Pure Peptide Labs | |
|---|---|---|
| Overall score | 71/100 (#9) | 74/100 (#5) |
| Status | Operating | Operating |
| Based in | Nashua, NH | Cedar Park, TX |
| Founded | 2025 | 2024 |
| Third-party testing | Yes | Yes |
| Laboratories named | Kovera Labs (COA link redirect), Analytical Formulations (COA host), Finnrick (Tesamorelin certificate) | Freedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, blends | vials, blends |
| Catalog size | ≈22 | ≈63 |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $200 | $0 |
| Payments | card | card, ach |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Alpha Peptides 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 documentation depth (51 vs 83). 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 · Alpha Peptides vs BioLongevity Labs · Alpha Peptides vs Koi Peptides
Frequently asked questions
Which is better, Alpha Peptides or Pure Peptide Labs?
On our formula Pure Peptide Labs scores higher (74 vs 71). The largest gap is in documentation depth (51 vs 83). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Alpha Peptides: yes. Pure Peptide Labs: yes. Lot-specific certificates — Alpha Peptides: yes; Pure Peptide Labs: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are unknown (Alpha Peptides) and unknown (Pure Peptide Labs).