Common adverse effects include gastrointestinal symptoms (nausea, vomiting, diarrhoea, constipation), which typically improve over time
Glutathione supplements in Pakistan are absorbed throughout the body by entering the bloodstream
Studies have demonstrated that DSIP reduces markers of oxidative damage including lipid peroxidation and protein oxidation in brain tissue, and upregulates endogenous antioxidant defence enzymes including superoxide dismutase (SOD), catalase, and glutathione peroxidase
One option thats been gaining attention is B12 shots
Such an increase in the mRNA levels of the catalytic subunit of -GCS was paralleled by a greater mucosal synthetic GSH capacity determined from either cysteine or -glutamylcysteine used as the sulfur aminoacid in the presence of glycine and glutamate and ATP as described (Fernndez-Checa and Kaplowitz, 1990), indicating an increase in the activity of -GCS following TNBS+ethanol administration (not shown)
The general advice is to review your symptoms to establish if you may have an undiagnosed B12 deficiency