HomeLab Tests polarispeptides.com, PE-22-28
Purity · pass✓ Lab-verifiedShop-provided sample

PE-22-28 × polarispeptides.com — 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. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.48%
Excellent purity only
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Independently confirmed on the lab’s portal✓ Extra check

COA #122106 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeTFBR35XGT6D4

Test results

6 data points
Purity
99.48%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.47 mg
Qty match
115% of labeled · +15%
Batch / Lot
POL-PE2810-2
COA number
#122106
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 10 mg · Lab measured 11.47 mg

115% 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 — 15% 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#122106
Portal lookup✓ Lab-verified
Checked4 Aug 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 PE-22-28 from polarispeptides.com, performed by Janoshik Labs on March 18, 2026. Reported purity: 99.48%. Net content: 11.47 mg against 10 mg labeled (115% of label). Tested content exceeds the labeled amount by 15%. Batch POL-PE2810-2. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Mar 18, 2026 · Batch POL-PE2810-2

Related lab tests

8 tests

The 10 other PE-22-28 tests on Peptigrity range from 99.41% to 99.93%. This one sits at 99.48%.

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