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Verify a Certificate.

Enter the batch number printed on the product label, or the document ID printed on the COA itself. The result on file with the lab will appear below.

Either field is sufficient. Batch number is the easier one to find on the label.

Certificate of Analysis

Glutathione · 1500mg

Verified · Pass
Batch / Lot
GTT1500-L01
Document ID
7392960
Purity (HPLC)
99.68 %
Identity (FTIR)
Confirmed
Labeled potency
1500 mg
Potency assay
1500.92 mg (100.1 %)
Date tested
9/20/2026
Date issued
10/7/2026
Methods
  • FTIR identity (USP <197A>)
  • HPLC purity (USP <621>)
  • HPLC potency (USP <621>)

This certificate was reviewed and signed by two analysts before release.

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