oxiselect total glutathione gssg gsh assay kit Cell Biolabs Inc (GSSG/GSH) Kit, 100 Reduced Glutathione (GSH) Colorimetric Assay
Description
It would appear from the study that curcumin from turmeric conjugates with glutathione, thereby increasing the level of glutathione in the cells

Ehrenberg M

Glutathione levels did not change in either group, but they were only measured at weeks 6 and 12
Stick with veterinary-grade or properly compounded sources