Ascension Peptides vs Peptide Warehouse
Ascension Peptides scores higher, 77 to 61. The widest gap is transparency. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Ascension Peptides | Peptide Warehouse | Edge |
|---|---|---|---|
| Testing & certificates | 100 | 82 | Ascension Peptides |
| Documentation depth | 68 | 63 | Ascension Peptides |
| Transparency | 94 | 40 | Ascension Peptides |
| Track record | 11 | 11 | Even |
| Catalog | 71 | 70 | Ascension Peptides |
| Pricing | 60 | 69 | Peptide Warehouse |
| Ordering & service | 75 | 80 | Peptide Warehouse |
Fact sheets side by side
| Ascension Peptides | Peptide Warehouse | |
|---|---|---|
| Overall score | 77/100 (#2) | 61/100 (#20) |
| Status | Operating | Operating |
| Based in | Kansas City, MO (mailing address on contact page) | US |
| Founded | Not stated | Not stated |
| Third-party testing | Yes | Yes |
| Laboratories named | Kovera Labs, MZ Biolabs | Freedom Diagnostics |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Yes | Yes |
| Formats | vials, blends | vials, blends |
| Catalog size | ≈42 | ≈55 |
| BPC-157 5 mg listed price | — | $52.99 |
| Free shipping from | — | $299 |
| Payments | card, ach | card, zelle, crypto |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Ascension Peptides review · Peptide Warehouse 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 (94 vs 40). Transparency fields are listed in the red flags we record.
Related comparisons
Limitless Biotech vs Peptide Warehouse · Ascension Peptides vs Paramount Peptides · Peptide Warehouse vs Verified Peptides
Frequently asked questions
Which is better, Ascension Peptides or Peptide Warehouse?
On our formula Ascension Peptides scores higher (77 vs 61). The largest gap is in transparency (94 vs 40). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Ascension Peptides: yes. Peptide Warehouse: yes. Lot-specific certificates — Ascension Peptides: yes; Peptide Warehouse: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Ascension Peptides) and mid (Peptide Warehouse).