Testing laboratory
MZ Biolabs
MZ Biolabs signed 31 of the certificates behind these rankings, covering 1 vendor and 23 compounds, at a mean reported purity of 99.69%. We have found no public lookup for this laboratory, so its reports can be read but not independently re-pulled.
31 certificates · 1 vendors · 23 compounds · assays 6 Jul 2024 to 10 Apr 2026
Vendors using this laboratory
| Vendor | Certificates from this lab |
|---|---|
| Ascension Peptides | 31 |
Across these certificates the median gap between labelled and assayed mass is 2.2%. That figure describes what the laboratory reported about the samples it received; it is a property of those samples, not a rating of the laboratory.
Certificates
| Assayed | Compound | Vendor | Lot | Purity | Label → assayed |
|---|---|---|---|---|---|
| 10 Apr 2026 | AOD-9604 | Ascension Peptides | 09-01260229 | 99.45% | 5 mg → 4.56 mg |
| 10 Apr 2026 | CJC-1295 | Ascension Peptides | 13-01260229 | 99.27% | 5 mg → 4.96 mg |
| 20 Mar 2026 | Ipamorelin | Ascension Peptides | 59-03260429 | 99.61% | 13.14 mg → 13.08 mg |
| 24 Feb 2026 | MOTS-c | Ascension Peptides | 24-01260229 | 99.71% | 10 mg → 9.42 mg |
| 24 Feb 2026 | ARA-290 | Ascension Peptides | 53-12250129 | 99.93% | 10 mg → 9.99 mg |
| 24 Feb 2026 | Cagrilintide | Ascension Peptides | 01-01260229 | 99.96% | 10 mg → 10.15 mg |
| 24 Feb 2026 | Semaglutide | Ascension Peptides | 04-01260229 | 99.98% | 5.2 mg → 5.2 mg |
| 10 Feb 2026 | TB-500 | Ascension Peptides | 31-01260229 | 99.97% | 5 mg → 4.89 mg |
| 10 Feb 2026 | Melanotan I | Ascension Peptides | 22-01260229 | 99.48% | 10 mg → 9.52 mg |
| 10 Feb 2026 | PT-141 | Ascension Peptides | 28-01260229 | 99.47% | 10 mg → 8.15 mg |
| 10 Feb 2026 | DSIP | Ascension Peptides | 14-01260229 | 99.74% | 10 mg → 13.68 mg |
| 10 Feb 2026 | Ipamorelin | Ascension Peptides | 06-01260229 | 99.86% | 12.73 mg → 12.73 mg |
| 9 Feb 2026 | Semax | Ascension Peptides | 30-01260229 | 99.75% | 10 mg → 10.12 mg |
| 7 Feb 2026 | Sermorelin | Ascension Peptides | 38-01260229 | 99.79% | 10 mg → 11.31 mg |
| 7 Feb 2026 | Tirzepatide | Ascension Peptides | 35-01260229 | 99.95% | 30 mg → 33.42 mg |
| 7 Feb 2026 | Thymosin Alpha-1 | Ascension Peptides | 33-01260229 | 99.44% | 10 mg → 12.94 mg |
| 7 Feb 2026 | Tirzepatide | Ascension Peptides | 05-01260229 | 99.89% | 10 mg → 11.47 mg |
| 7 Feb 2026 | Selank | Ascension Peptides | 29-01260229 | 99.32% | 10 mg → 12.29 mg |
| 7 Feb 2026 | Tesamorelin | Ascension Peptides | 32-01260229 | 99.93% | 5 mg → 5.83 mg |
| 7 Feb 2026 | BPC-157 | Ascension Peptides | 46-01260229 | 99.81% | 91.5 mg → 90.65 mg |
| 28 Jan 2026 | Retatrutide | Ascension Peptides | 03-01260229 | 99.94% | 10 mg → 11.67 mg |
| 28 Jan 2026 | 5-Amino-1MQ | Ascension Peptides | 36-01260229 | 99.5% | 10 mg → 12.79 mg |
| 28 Jan 2026 | BPC-157 | Ascension Peptides | 08-01260229 | 99.97% | 13.88 mg → 13.88 mg |
| 26 Jan 2026 | NAD+ | Ascension Peptides | 25-01260229 | 99.66% | 1000 mg → 784.32 mg |
| 26 Jan 2026 | BPC-157 | Ascension Peptides | 07-01260229 | 99.78% | 50.48 mg → 50.48 mg |
| 26 Jan 2026 | Retatrutide | Ascension Peptides | 43-01260229 | 99.88% | 30 mg → 35.29 mg |
| 17 Sept 2025 | SS-31 | Ascension Peptides | 40-07250828 | 99.53% | 10 mg → 9.95 mg |
| 17 Sept 2025 | AOD-9604 | Ascension Peptides | 09-03250428 | 99.76% | 5 mg → 4.99 mg |
| 17 Aug 2025 | CJC-1295 | Ascension Peptides | 2025-08-07 | 98.44% | 10 mg → 9.84 mg |
| 30 Jun 2025 | Kisspeptin | Ascension Peptides | 2025-06-10 | 99.76% | 10 mg → 9.98 mg |
| 6 Jul 2024 | Ipamorelin | Ascension Peptides | 2024-06-03 | 99.82% | 5 mg → 4.99 mg |