§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · MAR-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · DPS-4972754✓ Verified · Pass
L-Glutathione × Direct Peptides - Lab Test, March 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.25%
✓ Excellent
Test results
7 data points
Purity
99.25%
Endotoxins
Not tested
Stated qty
500 mg
Tested qty
500.21 mg
Qty match
100% of labeled · +0%
Batch ID
DPS-4972754
Container
White Lyophilized Powder
Tested by
Horizon AnalyticalView profile →
◆ Quantity verification
500 mg→500.21 mg+0%
About this test
This independent UPLC-MS lab test confirms L-Glutathione 500.21mg from Direct Peptides at 99.25% purity. The analysis was conducted by Horizon Analytical on March 6, 2026. L-Glutathione is a tripeptide researched for its role in antioxidant support, cellular detoxification, and immune function. A purity level of 99.25% indicates minimal contamination and high-grade synthesis. The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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