Tessamet: Histamine and Mast Cell DetoxIngredients: Rosmarinic acid, EGCG, quercetin, DAO (diamine oxidase porcine origin), sunflower lecithin, MCT, phosphatidyl choline, ethanol, glycerine, plant cellulose, candellia wax and purified water. Liposomal. Primitive humans had a lot of helminths (worms) to contend with. Too large to be attacked by the immune system, the body had to remove them mechanically. Mast cells release histamine which causes itching to make us scratch them off, coughing