For laboratory research use only. Not for human or animal consumption.
BioIntegrityPeptide Research
Current lot>99% purity

Glutathione / Magnesium

Analytical results for lot GM5012V1125 (10 mL vial), third-party tested by AxisPharm, LLC and reported 2025-11-21.

Analytical results for lot GM5012V1125
AssayMethodResult
PurityHPLC-UV (208 nm)>99%
Identity — GlutathioneLC-MS (ESI+)308.9 [M+H]
EndotoxinLAL assay0.053 EU/mg

Lot record

Lot numberGM5012V1125
CompoundGlutathione / Magnesium
Format10 mL vial
Label claim50 mg / 12.5 mg
Measured content50.5 mg / not quantified
Expected mass307.33 g/mol (glutathione)
Report date2025-11-21
Sample received2025-11-20
Manufactured2025-11
Best before2027-11
ManufactureGMP-compliant peptide manufacturing facility, United States
Third-party analysisAxisPharm, LLC
StatusCurrent — in stock

Note. Magnesium sulfate heptahydrate is an inorganic salt and was not quantified; the laboratory states it requires a different method. Purity and identity refer to glutathione.

How to read these results

HPLC purity is the share of the peptide material that is the target sequence. The mass spectrometry result confirms it is the right molecule. Measured content is compared against the label claim, and endotoxin is reported only where the laboratory tested for it.

How to read a certificate of analysis →HPLC purity vs. mass spec identityGlossary of terms

Compound

A prepared blend of reduced glutathione with magnesium.

Glutathione / Magnesium specification →

The certificate for this lot

The results above are published in full. The certificate itself is the testing laboratory’s document, and we supply it per batch rather than as a public download — so a certificate can only ever travel with the material it describes. If you hold or are purchasing lot GM5012V1125, request it and we will send it.

Request the certificate for GM5012V1125 →

All compounds supplied by BioIntegrity are intended strictly for laboratory research and educational use. Not for human or animal consumption. Not for diagnostic, therapeutic, or clinical use. No statement on this website has been evaluated by the Food and Drug Administration. Purchaser affirms that products are acquired solely for legitimate laboratory research and assumes full responsibility for lawful handling, storage, and disposal.