what to avoid when taking glutathione Patchmd Often, people take medications because they are deficient in certain nutrients, which can worsen their deficiencies. Instead, we can take the supplements in the first place. For example: If you're on Amazon.com: Glutathione Supplement 1,000mg Per Serving, 98% Purity Plus Vitamin C 500mg, Active Reduced Form (GSH) Intracellular Antioxidant Supports Detoxification & Immune Health : Health & Household Metformin Retards Aging in C. elegans by Altering Microbial Folate and Methionine Metabolism: Cell