Glutathione is not just hype it's backed by decades of research showing benefits for detox, immunity, skin, and hormone regulation. The method of delivery (IV vs oral) makes a big difference Elevated Glutathione Peroxidase in Newly Diagnosed Hypertension: Its Relation to Insulin Resistance Glutathione prevents chronic oscillating glucose intake induced cell dedifferentiation and failure Cell Death & Disease Oral L glutamine restores adenosine and glutathione content in the skeletal muscle and adipose tissue of insulin resistant pregnant rats ScienceDirect