In many places, like Japan, people get iodine from seafood, seaweed, and vegetables grown in iodine-rich soil or animals that eat grass grown in that soil.

像日本等许多地方，人们通过食用海鲜、海藻得到碘，以及从生长在高碘土壤里的蔬菜中获取碘，或者从吃那种土壤中生长的草的动物中获取碘。