Alpha Peptides vs Ascension Peptides
Ascension Peptides scores higher, 77 to 71. The widest gap is documentation depth. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Alpha Peptides | Ascension Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 92 | 100 | Ascension Peptides |
| Documentation depth | 51 | 68 | Ascension Peptides |
| Transparency | 100 | 94 | Alpha Peptides |
| Track record | 12 | 11 | Alpha Peptides |
| Catalog | 63 | 71 | Ascension Peptides |
| Pricing | 45 | 60 | Ascension Peptides |
| Ordering & service | 62 | 75 | Ascension Peptides |
Fact sheets side by side
| Alpha Peptides | Ascension Peptides | |
|---|---|---|
| Overall score | 71/100 (#9) | 77/100 (#2) |
| Status | Operating | Operating |
| Based in | Nashua, NH | Kansas City, MO (mailing address on contact page) |
| Founded | 2025 | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Kovera Labs (COA link redirect), Analytical Formulations (COA host), Finnrick (Tesamorelin certificate) | Kovera Labs, MZ Biolabs |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, blends | vials, blends |
| Catalog size | ≈22 | ≈42 |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $200 | — |
| 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 · Ascension Peptides 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 68). What that factor measures is explained in how to read a certificate of analysis and lot-level vs sample testing.
Related comparisons
Ascension Peptides vs Paramount Peptides · Alpha Peptides vs BioLongevity Labs · Alpha Peptides vs Koi Peptides
Frequently asked questions
Which is better, Alpha Peptides or Ascension Peptides?
On our formula Ascension Peptides scores higher (77 vs 71). The largest gap is in documentation depth (51 vs 68). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Alpha Peptides: yes. Ascension Peptides: yes. Lot-specific certificates — Alpha Peptides: yes; Ascension Peptides: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are unknown (Alpha Peptides) and mid (Ascension Peptides).