HomeLab Tests Pure Peptides, Tirzepatide
Purity · passBatch · 2026-02-27 (Vial 2)Shop-provided sample

Tirzepatide × Pure Peptides — Lab Test, March 2026

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
99.88%
Excellent purity only
↓ Download COA
COA on file — not portal-verified

This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.

What portal verification means →

Test results

6 data points
Purity
99.88%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
30 mg
Tested qty
35.11 mg
Qty match
117% of labeled · +17%
0label125%
Batch / Lot
2026-02-27 (Vial 2)
Tested by
MZ BiolabsView 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 purepeptides.bio, performed by MZ Biolabs on March 12, 2026. Reported purity: 99.88%. Net content: 35.11 mg against 30 mg labeled (117% of label). Tested content exceeds the labeled amount by 17%. Batch 2026-02-27 (Vial 2). Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC-UV-MS certificate of analysis for Tirzepatide 30mg from Pure Peptides showing 99.88% purity
Issued by MZ Biolabs · Mar 12, 2026 · Batch 2026-02-27 (Vial 2)

Related lab tests

8 tests

The 833 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.88%.

More from Pure Peptides
More Tirzepatide tests
♡ Likes · 0

Community discussion

0 comments

Join the discussion — sign in to leave a comment on this lab test.

Sign in to comment →

Have you tested this peptide?

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.

Submit a lab test →