Glutathione 600mg
Research Peptide
Reduced L-Glutathione (GSH) — the body's master intracellular antioxidant tripeptide (glutamate-cysteine-glycine). High-dose 600mg per vial for antioxidant, detoxification and redox research. Light-sensitive — store cold and protect from light after reconstitution. For research use only.
For research use only. Not for human consumption.
Third-party lab verification
Every batch is tested by an independent laboratory using RP-HPLC to confirm identity, purity, and endotoxin levels. Sample results for Glutathione 600mg shown below — lot-specific COAs available on request.
Independent Analytical Laboratory
Certificate of Analysis
Document
COA-GSH-2026-0412
Product
L-Glutathione (Reduced)
CAS No.
70-18-8
Molecular Formula
C10H17N3O6S
Molecular Weight
307.32 g/mol
Lot Number
GSH-2026-0412
Appearance
Off-white lyophilized powder
Manufacture Date
2026-04-12
Retest Date
2028-04-12
Test Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Identification | Conforms (MS) | Conforms | Pass |
| Purity (HPLC) | ≥ 98.0% | 99.72% | Pass |
| Water Content | ≤ 5.0% | 1.2% (Karl Fischer) | Pass |
| Endotoxin | < 10 EU/mg | <5 EU/mg (LAL) | Pass |
| Single Impurity | ≤ 1.0% | 0.60% | Pass |
Method
RP-HPLC, C18, 210 nm, phosphate buffer / MeOH
R. Halverson
QC Analyst
Sample document — request your lot's COA for verification.
RP-HPLC Chromatogram
L-Glutathione (Reduced)
Detector
UV 220 nm
Retention
3.45 min
Area %
99.72%
Plates (N)
8,942
| Peak | RT (min) | Area % | Assignment |
|---|---|---|---|
| 1 | 2.03 | 0.26 | Impurity A |
| 2 | 3.45 | 99.72 | L-Glutathione (Reduced) |
| 3 | 4.63 | 0.24 | Impurity B |
Sample chromatogram — lot-specific traces on request.
Illustrative sample — request your lot's COA via 907-252-1640