PT-141 × Precisely Peptides — Lab Test, April 2026
Vanguard Laboratory publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.
This certificate carries no lookup code.
Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Label 30 mg · Lab measured 31.79 mg
106% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 7.9 mg using the measured mass, against 7.5 mg on the label — 6% more.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
Independent HPLC purity analysis of PT-141 from preciselypeptides.com, performed by Vanguard Laboratory on April 23, 2026. Reported purity: 99.8%. Net content: 31.79 mg against 30 mg labeled (106% of label). Batch PP412-26-001. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of PT-141 from preciselypeptides.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| PP412-26-001 | 24 Apr 2026 | Vanguard Laboratory | 99.35% | 125% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion