oral glutathione absorption bioavailability A Targeted Metabolomic Assessment of and Safety in Humans: A Randomized Crossover Clinical Trial Glutathione IV for Liver Detox:
Description
Other metals which are present in the environment as industrial pollutants are not able to generate free radicals by shuttling between contiguous oxidation states but it is known that organisms exposed either in their natural environment or in toxicological experiments show signs of oxidative stress, and some metals, such as As, Cd and Hg, are also carcinogenic to humans

Heffernan, Mark, et al

It helps make your red blood cells and DNA

Some studies reported a minimum effect of N-acetyl Cysteine supplementation

They are typically favoured by skin-of-colour patients for glutathione administration
Women between 40 and 60 years old face the highest risk