HISTA DEFENSEHista Defense provides diamine oxidase (DAO), an enzyme that supports histamine metabolism in the digestive tract. Includes pine bark extract, which: Acts as a potent antioxidant and free radical scavenger. Helps inhibit histamine release from mast cells. Supports intestinal health by promoting tight junction protein expression. Intended for use before consuming high histamine foods or drinks. Helps reduce digestive issues related to histamine.