glutathione sulfur sensitivity intolerance If you have a sensitivity, can be problematic. Glutathione is primarily made up Glutathione with Cofactors — Seeking

Antioxidants (Basel) 10 (10), 1503

Contraindications, Drug Interactions, and Monitoring Important precautions include: Avoiding use in active, untreated malignancies due to theoretical tumor-promotion concerns Using caution with immunosuppressants Monitoring blood pressure and liver enzymes if treatment exceeds six weeks Consulting a healthcare professional if you have bleeding disorders or take anticoagulants Bodybuilders who use multiple compounds should be especially careful because side effects and interactions may be harder to identify

IV supplementation is sometimes the most direct route to correcting deficiencies during the critical first year

Circulation 98 : 204210

As mentioned above, glutathione is the bodys ultimate antioxidant