Health risks Nori may contain toxic metals (arsenic and cadmium), whose levels are highly variable among nori products. It also contains amphipod allergens that may cause serious allergic reactions, especially in highly sensitized crustacean-allergic people. Therefore, daily consumption of high amounts of dried nori is discouraged.
Health risks Nori may contain toxic metals (arsenic and cadmium), whose levels are highly variable among nori products. It also contains amphipod allergens that may cause serious allergic reactions, especially in highly sensitized crustacean-allergic people. Therefore, daily consumption of high amounts of dried nori is discouraged.