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✓ Purity · pass✓ Lab-verifiedShop-provided sample

TB-500 × GenPeptide — lab test, March 2026

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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
99.538%
✓ Excellent purity only
PeptideTB-500
See GenPeptide reviews & all 98 lab tests
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2603060023 matches Freedom Diagnostics's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeGenp2603060023

Test results

7 data points
Purity
99.538%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.6 mg
Qty match
116% of labeled · +16%
Batch / Lot
GPTB10030526
COA number
2603060023
Container
White Lyophilized Powder
Tested by
Freedom DiagnosticsView 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 11.6 mg

116% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.9 mg using the measured mass, against 2.5 mg on the label — 16% 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 number2603060023
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 portalFreedom Diagnostics's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of TB-500 from GenPeptide, performed by Freedom Diagnostics on March 6, 2026. Reported purity: 99.538%. Net content: 11.6 mg against 10 mg labeled (116% of label). Tested content exceeds the labeled amount by 16%. Batch GPTB10030526. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · Mar 06, 2026 · Batch GPTB10030526

Other lots of TB-500 from GenPeptide

LotTestedLabPurityvs labelStatus
GPTB1007072617 Jul 2026Kovera Labs99.186%118%✓ Lab-verified
GPTB1005092616 May 2026Freedom Diagnostics99.77%127%✓ Lab-verified
GPTB101228258 Jan 2026Freedom Diagnostics98.878%110%✓ 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

7 tests

The 431 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 99.54%.

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