✓ Purity · pass✓ Lab-verifiedShop-provided sample

TB-500 × Pepspan — lab test, September 2026

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Tested · submitted by @Pepspan 💬 Contributor
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
98.454%
✓ Excellent purity only
PeptideTB-500
BrandPepspan
See Pepspan reviews & all 3 lab tests
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Independently confirmed on the lab’s portal✓ Extra check

COA 226836 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeR9V26N4MRVFC

Test results

6 data points
Purity
98.454%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
4.77 mg
Qty match
95% of labeled · -5%
Batch / Lot
PEP-TB500-2608-01
COA number
226836
Tested by
Janoshik LabsView 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

What’s in the vial

Label 5 mg · Lab measured 4.77 mg

95% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.2 mg using the measured mass, against 1.3 mg on the label — 5% less.

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 number226836
Portal lookup✓ Lab-verified
PDF vs portalJanoshik Labs's portal shows validity only
Submitted viaShop panel (bulk upload)
WeightCounts as one lab test

Independent HPLC purity analysis of TB-500 from Pepspan, performed by Janoshik Labs on September 9, 2026. Reported purity: 98.454%. Net content: 4.77 mg against 5 mg labeled (95% of label). Batch PEP-TB500-2608-01. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Sep 09, 2026 · Batch PEP-TB500-2608-01

Related lab tests

6 tests

The 419 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 98.45%.

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