Generally, moderate consumption is not harmful to the human body.

According to Encyclopedia of Health, potassium iodate is usually added to table salt as an iodine supplement. Generally, it is not harmful to the human body when consumed in moderation. In addition, potassium iodate can also be made into potassium iodate preparations, which are used to treat hypothyroidism and prevent cretinism. For people who need medication for iodine supplementation, taking medication under the guidance of a doctor is generally not harmful to the human body. However, potassium iodate may be harmful to the human body if it is used by people who are in direct contact with potassium iodate or who are allergic to potassium iodate.