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Purity · passBatch · TR28Shop-provided sample

Tirzepatide × NextGen Peptides — Lab Test, August 2025

Tested · submitted by @Frank 👑 Legend
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
99.83%
Excellent purity only
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Test results

7 data points
Purity
99.83%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
30 mg
Tested qty
35.32 mg
Qty match
118% of labeled · +18%
0label125%
Batch / Lot
TR28
Container
White Lyophilized Powder
Tested by
BioRegenView profile →

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

Independent HPLC purity analysis of Tirzepatide from nexxgenpeptides.com, performed by BioRegen on August 22, 2025. Reported purity: 99.83%. Net content: 35.32 mg against 30 mg labeled (118% of label). Tested content exceeds the labeled amount by 18%. Batch TR28. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
LC-MS certificate of analysis for Tirzepatide 30mg from NextGen Peptides showing 99.83% purity
Issued by BioRegen · Aug 22, 2025 · Batch TR28

Related lab tests

8 tests

The 833 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.83%.

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