Laver is still relatively high iodine content in food, for the mainland residents, often eat seaweed, kelp, such as food, after all, one of the most convenient to add iodine.

• 紫菜还是碘含量较高的食物，对于内地居民来说，经常吃些紫菜、海带等食物，不失为补充碘的最方便的方法。