§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · APR-2026● VERIFIED SUBMISSION · PUBLIC RECORD
HomeLab Tests Peak Peptides, Glutathione
◆ Batch ID · Glut-600-0426 Verified · Pass

Glutathione × Peak Peptides - Lab Test, April 2026

Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.90%
Excellent

Test results

7 data points
Purity
99.90%
Endotoxins
Not tested
Stated qty
600 mg
Tested qty
673.28 mg
Qty match
112% of labeled · +12%
Batch ID
Glut-600-0426
Container
10ml clear glass vial of white lyophilized powder. White Cap / Silver Crimp
Tested by
◆ Quantity verification
600 mg673.28 mg+12%

About this test

L-Glutathione 600mg from Peak Peptides tested at 99.9% purity via UV/Vis spectrophotometry on April 9, 2026 by Analytical Formulations, Inc. The quantitative assay using Beer-Lambert methodology confirmed 673.28mg per vial against the 600mg label claim.

Heavy metals screening shows <10ppb combined metals, with total aerobic and yeast/mold microbial counts at 0 CFU/ml, indicating pharmaceutical-grade manufacturing standards and sterile conditions.

The sample was received sealed and in good condition, with qualitative identification confirming the compound matches its characteristic reference standard.

Certificate of analysis

Original document
Glutathione Peak Peptides COA
Issued by Analytical Formulations Inc · Apr 09, 2026 · Batch Glut-600-0426

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