Ion Peptide vs Ascension Peptides: COA & Testing Comparison (2026)
Ion Peptide is Grade S. Ascension Peptides is Grade A. The published rubric lists S above A. These grades describe the public record checked on October 18, 2026. They are not a guarantee of quality, purity, safety, or outcomes.
| Public record | Ion Peptide | Ascension Peptides |
|---|---|---|
| Grade | Grade S | Grade A |
| Signal | Independently verified. Finnrick: 5/5 classifiable tests passed, rating 83%, #24 of 482 vendors, latest test 14 Oct 2026 (Independent) | Supplier-stated. Hosted Wolverine lot 08-01260229 certificate names MZ Biolabs, analysis 28 Jan 2026, 99.97% by HPLC-UV-MS; BPC-157 10 mg page lists certificate dates 10 Jul 2026 and 6 Mar 2026 (Supplier-stated) |
| Limitation | Independent data covers one compound only (retatrutide, n=5); Freedom Diagnostics named only by the supplier | Finnrick shows 0 tests, so no independent rating; the certificate library page does not name a laboratory; the opened named-lab file is one blend lot |
| COA availability | Supplier-stated. A public lab-results library can be searched by product or batch number. The page says that if a report is not listed, support can be contacted with the product name and batch number. Source | Supplier-stated. The certificates page says records can be searched by product name, SKU, batch or lot, cap color, purity, and date, then previewed and downloaded. The text captured on this check did not name a laboratory and did not show a record count. Source |
| Named lab | Supplier-stated. The FAQ says every batch is verified through accredited independent laboratories and that testing is conducted by Freedom Diagnostics in Franklin, Tennessee. Source | Supplier-stated. A certificate file hosted on the supplier site for Wolverine (BPC-157 and thymosin beta-4), lot 08-01260229, names MZ Biolabs and analyst Ken Pendarvis. The analysis date is 28 Jan 2026, the method is HPLC-UV-MS, and the stated purity is 99.97%. Source |
| Code | No code published | No code published |
The ranking is not a quality guarantee. One strong certificate of analysis does not validate the whole catalog. Verify each batch.