Hello, hypothyroidism can be clinically manifested as fatigue, loss of appetite, dyspnea and so on. Usually iodine-containing foods, seafood, soybeans, white radishes, bamboo shoots, Chinese cabbage, corn, walnuts, iodized salt, etc. Be avoided. If the dosage is controlled accurately, the metabolism of the human body will be within the normal range and there will be no side effects on the human body.