Are there risks associated with using oral glutathione?
There appear to be no risks associated with oral glutathione supplementation, even in doses of up to several grams a day.
This is because it is destroyed in your digestive system, making its only risk the disorder known as empty wallet syndrome (EWS). Once you get this, not even Immunocal will help you. There is no known cure for EWS.
That last part was a joke. :>) But the first part is absolutely true.