§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · GTK150022026✓ Verified · Pass
Glutathione × Peptide Supply Co - Lab Test, February 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.61%
✓ Excellent
Test results
7 data points
Purity
99.61%
Endotoxins
Not tested
Stated qty
1500 mg
Tested qty
1519.5 mg
Qty match
101% of labeled · +1%
Batch ID
GTK150022026
Container
White Lyophilized Powder
Tested by
freedomdiagnosticstesting.comView profile →
◆ Quantity verification
1500 mg→1519.5 mg+1%
About this test
This independent HPLC with UV detection and mass spectrometry analysis confirms Glutathione 1500mg from Peptide Supply Co at 99.61% purity. The analysis was conducted by Freedom Diagnostics Testing on February 24, 2026.
Glutathione is a tripeptide antioxidant researched for its potential benefits in cellular protection, detoxification support, and immune function. A purity level of 99.61% demonstrates high-quality synthesis with minimal impurities.
The full certificate of analysis (COA: 2602230241) is available for download on this page.
Certificate of analysis
Original document
Issued by freedomdiagnosticstesting.com · Feb 24, 2026 · Batch GTK150022026
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