Home Certificates of analysis LGLUT-1500-0803
Certificate of analysis
Glutathione 1.5 g
Lot LGLUT-1500-0803 · certificate issued Aug 28, 2026
Bioviridian Inc. tested Touchstone lot LGLUT-1500-0803 of Glutathione 1.5 g and reported 99.76% purity by RP-HPLC (214 nm), 1505.41 mg measured content by HPLC quantitation and identity confirmed by LC-MS/MS. Certificate COA7597, issued Aug 28, 2026. It is the current certificate for this size. Sold for laboratory research use only.
Latest certificate
Verified · COA7597Purity
99.76%
RP-HPLC (214 nm)
Measured content
1505.41 mg
Stated strength 1500 mg
Identity
Conforms
LC-MS/MS
All results
| Test | Result | Method |
|---|---|---|
| Purity | 99.76% | RP-HPLC (214 nm) |
| Measured content | 1505.41 mg | HPLC quantitation |
| Identity | Conforms | LC-MS/MS |
| Endotoxin | <0.05 EU/ml | USP <85> |
| Heavy metals | <0.01 ppm | USP <232> |
| Sterility | Not Detected | USP <71> |
Values as printed on the laboratory’s certificate. Where a certificate does not list a result, this page says so and fills nothing in.
Certificate & verification details
Verification number
COA7597Checked Sep 24, 2026: this number opens this certificate on the testing laboratory’s own site.
- Testing laboratory
- Bioviridian Inc. · signed by Shane Straight, M.S.
- Laboratory site
- bioviridians.com
- Touchstone lot
- LGLUT-1500-0803
- Laboratory’s lot, as on the certificate
- GLU1500-0803
- Certificate number
- COA7597
- Sample received
- Aug 11, 2026
- Certificate issued
- Aug 28, 2026
- Sample as named on the certificate
- Glutathione 1500mg
- Sample type
- White lyophilized powder
The laboratory tested a sample of this lot. The certificate is not reproduced on this site; the links go to the laboratory’s original files, unaltered.
Issue history
- Current issue · Aug 28, 2026 · served by bioviridians.comc399f0e3…d1adfaPDF
- Earlier issue · Aug 17, 2026 · replaced when the laboratory reissued itb96fd302…b93944
Changed in the reissue: Sterility result added. Lot and strength are the same in both issues; anything else that changed is listed here.
The fingerprint (SHA-256) identifies the exact file we read on Sep 24, 2026. If the laboratory changes the file, the fingerprint changes and the next check flags it.
Other certificates for Glutathione
See GlutathioneAll certificates
For laboratory research use only. Not a drug, not a supplement, not for human or veterinary use.












