Alpha Peptides vs Nexaph
Alpha Peptides scores higher, 71 to 63. The widest gap is transparency. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Alpha Peptides | Nexaph | Edge |
|---|---|---|---|
| Testing & certificates | 92 | 69 | Alpha Peptides |
| Documentation depth | 51 | 60 | Nexaph |
| Transparency | 100 | 54 | Alpha Peptides |
| Track record | 12 | 26 | Nexaph |
| Catalog | 63 | 79 | Nexaph |
| Pricing | 45 | 75 | Nexaph |
| Ordering & service | 62 | 80 | Nexaph |
Fact sheets side by side
| Alpha Peptides | Nexaph | |
|---|---|---|
| Overall score | 71/100 (#9) | 63/100 (#16) |
| Status | Operating | Operating |
| Based in | Nashua, NH | unknown |
| Founded | 2025 | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Kovera Labs (COA link redirect), Analytical Formulations (COA host), Finnrick (Tesamorelin certificate) | Janoshik Laboratory |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials, blends | vials, kits, ampules |
| Catalog size | ≈22 | ≈60 |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $200 | $200 |
| Payments | card | card |
| Ships internationally | No | Yes |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Alpha Peptides review · Nexaph review. Both suppliers sell materials labeled for laboratory research use only.
Both appear on: Suppliers with public certificates of analysis · Suppliers that take card payments.
The factor that separates them
The widest gap is transparency (100 vs 54). Transparency fields are listed in the red flags we record.
Related comparisons
Nexaph vs Peptide Pros · Alpha Peptides vs BioLongevity Labs · Alpha Peptides vs Koi Peptides
Frequently asked questions
Which is better, Alpha Peptides or Nexaph?
On our formula Alpha Peptides scores higher (71 vs 63). The largest gap is in transparency (100 vs 54). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Alpha Peptides: yes. Nexaph: yes. Lot-specific certificates — Alpha Peptides: yes; Nexaph: not verified.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are unknown (Alpha Peptides) and budget (Nexaph).