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Purity · pass✓ Lab-verifiedShop-provided sample

TB-500 × genpeptide.com — lab test, January 2026

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. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
98.878%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2601070015 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeGenp2601070015

Test results

7 data points
Purity
98.878%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.02 mg
Qty match
110% of labeled · +10%
Batch / Lot
GPTB10122825
COA number
2601070015
Container
White Lyophilized Powder
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 10 mg · Lab measured 11.02 mg

110% 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 — 10% 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 number2601070015
Portal lookup✓ Lab-verified
Checked30 Jul 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalfreedomdiagnosticstesting.com's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of TB-500 from genpeptide.com, performed by freedomdiagnosticstesting.com on January 8, 2026. Reported purity: 98.878%. Net content: 11.02 mg against 10 mg labeled (110% of label). Tested content exceeds the labeled amount by 10%. Batch GPTB10122825. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by freedomdiagnosticstesting.com · Jan 08, 2026 · Batch GPTB10122825

Other lots of TB-500 from genpeptide.com

LotTestedLabPurityvs labelStatus
GPTB1007072617 Jul 2026Kovera Labs99.186%118%✓ Lab-verified
GPTB1005092616 May 2026freedomdiagnosticstesting.com99.77%127%✓ Lab-verified
GPTB100305266 Mar 2026freedomdiagnosticstesting.com99.538%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 415 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 98.88%.

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