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Purity · pass✓ Lab-verifiedShop-provided sample

Tirzepatide — lab test, August 2026

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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
99.615%
Excellent purity only
BrandShop withheld
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA KVR-2026-5D6A40 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeQ0IZ7KQ
Look it up on Kovera Labs ↗Checked Aug 19, 2026

Test results

9 data points
Purity
99.615%
Endotoxins
<0.5 EU/mL PASS
Heavy metals
As, Cd, Pb, Hg — all Negative
Stated qty
20 mg
Tested qty
22.82 mg
Qty match
114% of labeled · +14%
Batch / Lot
TZ20-002
COA number
KVR-2026-5D6A40
Container
Lyophilized Powder / Black Cap / Silver Crimp
Tested by
Kovera LabsView profile →

About this test

What’s in the vial

Label 20 mg · Lab measured 22.82 mg

114% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 5.7 mg using the measured mass, against 5 mg on the label — 14% 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.

Verification trail
Report numberKVR-2026-5D6A40
Portal lookup✓ Lab-verified
Checked25 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalKovera Labs's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Tirzepatide, performed by Kovera Labs on August 19, 2026. Reported purity: 99.615%. Net content: 22.82 mg against 20 mg labeled (114% of label). Tested content exceeds the labeled amount by 14%. Endotoxins: <0.5 EU/mL PASS. Heavy metals: As, Cd, Pb, Hg — all Negative. Batch TZ20-002. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Kovera Labs · Aug 19, 2026 · Batch TZ20-002

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The 1010 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.61%.

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