What about side effects of the drug and interactions with other drugs?

There are no significant side effects with glutathione. It is not recommend to be given at the same time as any other IV products. For example, vitamin C can oxidize it and render it ineffective if given along with it. It is contraindicated to give glutathione while a person is taking cancer chemotherapy drugs since glutathione increases the ability of the liver to process chemicals. This may cause the chemotherapy to be less effective.