HomeLab Tests biolongevitylabs.com, PT-141
Purity · passBatch · NAShop-provided sample

PT-141 × biolongevitylabs.com — lab test, October 2025

Sample label: BioLongevity Labs
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.8%
Excellent purity only
↓ Download COA
Independent verification available

MDx BioAnalytical 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

7 data points
Purity
99.8%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
5.06 mg
Qty match
101% of labeled · +1%
Batch / Lot
NA
Container
White crystals
Tested by

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

What’s in the vial

Label 5 mg · Lab measured 5.06 mg

101% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.3 mg using the measured mass, against 1.3 mg on the label — 1% 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 biolongevitylabs.com, performed by MDx BioAnalytical Laboratory on October 18, 2025. Reported purity: 99.8%. Net content: 5.06 mg against 5 mg labeled (101% of label). Batch NA. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by MDx BioAnalytical Laboratory · Oct 18, 2025 · Batch NA

Other lots of PT-141 from biolongevitylabs.com

LotTestedLabPurityvs labelStatus
25-3-4313627 Apr 2026MDx BioAnalytical Laboratory99.78%100%Unverified
25-3-4603527 Jan 2026BioRegen99.64%145%Unverified
25-3-459524 Nov 2025BioRegen99.85%104%Unverified
25-3-4593717 Oct 2025BioRegen99.93%125%Unverified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 260 other PT-141 tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.80%.

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