We use a pharmacist-formulated blend of Quercetin, Bromelain, Dihydromyricetin, Cysteine, L-Theanine, & B Vitamins to stop alcohol flushing before it can begin. Tannins - Tannins causes the mouth-puckering effect in red wine but can inadvertently cause headaches and stuffiness, depending on how sensitive you are to it. When it comes ... Read More