Liposomal and other enhanced-delivery forms are specifically designed to work around that absorption barrier, and small studies support that they generally outperform plain glutathione
While fruits have some sulfur, you will find higher concentrations in: Cruciferous Vegetables: Broccoli, kale, Brussels sprouts, and cauliflower
Structure and function of Helicobacter pylori CagA, the first-identified bacterial protein involved in human cancer
10.1016/s0140-6736(18)30010-30012 Lancet 38 FriedmanR
Activated charcoal will bind with all kinds of things including some of the vitamins, minerals and antioxidants in your food
Fresh fruit and vegetables have been reported to exert multiple biological effects on the mucosa of the gastrointestinal tract due to their antioxidant contents (La Vecchia & Tavani, 1998)