Mechanism of Action Acetyl Group Protection : The attached acetyl group acts as a molecular shield, preventing digestive enzymes from breaking down glutathione prematurely in the stomach and intestines, which allows the intact molecule to reach target tissues like the liver, lungs, and brain
Cellular Pathology (John Churchill, 1860)
SIgA serves as an immune exclusion antibody, binding to pathogens and toxins in the lumen to prevent them from adhering to the epithelium or penetrating the gut barrier (237)
7c), the charged amino group of the cysteine part of CME interacts strongly with the side-chain carboxyl group of E184, exhibiting a binding energy of 11.3 kcal/mol
(4) So in my opinion, as long as youre not sensitive to caffeine or overdoing it, its fine to keep drinking your coffee