PT-141 × mspeptides.com — Lab Test, May 2025
COA #65494 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
8JQK15M4AZ9RTest 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 10 mg · Lab measured 12.21 mg
122% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3.1 mg using the measured mass, against 2.5 mg on the label — 22% 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.
| Report number | #65494 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 20 Jul 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Janoshik Labs's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of PT-141 from mspeptides.com, performed by Janoshik Labs on May 22, 2025. Reported purity: 99.732%. Net content: 12.21 mg against 10 mg labeled (122% of label). Tested content exceeds the labeled amount by 22%. Batch R250327-PT1-J001. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of PT-141 from mspeptides.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| R260117-PT1-J001 | 24 Jan 2026 | freedomdiagnosticstesting.com | 99.923% | 109% | ✓ Lab-verified |
| R250925-PT1-J001 | 17 Dec 2025 | freedomdiagnosticstesting.com | 99.547% | 118% | ✓ Lab-verified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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