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Purity · passBatch · 250FOXShop-provided sample

FOXO4-DRI × XL Peptides — Lab Test, November 2025

Tested · submitted by @Frank 👑 Legend
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
99.149%
Excellent purity only
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Test results

6 data points
Purity
99.149%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
12.02 mg
Qty match
120% of labeled · +20%
0label125%
Batch / Lot
250FOX
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

Independent HPLC purity analysis of FOXO4-DRI from xlpeptides.com, performed by Janoshik Labs on November 18, 2025. Reported purity: 99.149%. Net content: 12.02 mg against 10 mg labeled (120% of label). Tested content exceeds the labeled amount by 20%. Batch 250FOX. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for FOXO4-DRI 10mg from XL Peptides showing 99.149% purity
Issued by Janoshik Labs · Nov 18, 2025 · Batch 250FOX

Related lab tests

8 tests

The 41 other FOXO4-DRI tests on Peptigrity range from 98.58% to 99.95%. This one sits at 99.15%.

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