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✓ Purity · pass✓ Lab-verifiedShop-provided sample

TB-500 × EZ Peps — lab test, October 2025

Sample label: utherpeptide.com
Lotlook this batch up across every shop →Check another lot
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →
HPLC Purity
99.82%
✓ Excellent purity only
PeptideTB-500
BrandEZ Peps
See EZ Peps reviews & all 145 lab tests
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA #81228 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeN1DP42ES1GVD

Test results

6 data points
Purity
99.82%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.35 mg
Qty match
114% of labeled · +14%
Batch / Lot
TB4100918
COA number
#81228
Tested by
Janoshik LabsView profile →

Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 10 mg · Lab measured 11.35 mg

114% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.8 mg using the measured mass, against 2.5 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 number#81228
Portal lookup✓ Lab-verified
Checked24 Jul 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalJanoshik Labs's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of TB-500 from EZ Peps, performed by Janoshik Labs on October 3, 2025. Reported purity: 99.82%. Net content: 11.35 mg against 10 mg labeled (114% of label). Tested content exceeds the labeled amount by 14%. Batch TB4100918. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Oct 03, 2025 · Batch TB4100918

Other lots of TB-500 from EZ Peps

LotTestedLabPurityvs labelStatus
26-M5-10TB / BT10050126-19 Jun 2026ILS Laboratories99.81%107%✓ Lab-verified
26-U2-RRT/TB410022615 Mar 2026freedomdiagnosticstesting.com99.174%116%✓ Lab-verified

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 426 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 99.82%.

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