High thyroid hormones indicate a decrease in the secretion of thyroid hormones in the body, which requires attention to dietary regulation and generally requires proper intake of nutrients such as selenium and iron. Avoid contaminated meat, eggs and fish. It is best not to use iodized salt in the diet and to limit the intake of iodine. In thyrotropic hypertrophy, it is necessary to reduce the use of iodized salt in the diet. The use of iodized salt is a widely accepted public health strategy to reduce the incidence of iodine deficiency disorders. Mild to moderate excess iodine intake can increase the risk of hypothyroidism. Excess iodine leads to a hypothyroid state, primarily because increased iodine intake can make thyroid stimulating hormone production decrease. Thyrotropic hypertrophy also requires the consumption of iron-rich foods. Iron deficiency can lead to a decrease in thyroid hormone secretion, and a decrease in thyroid hormone secretion can be followed by a significant increase in thyrotropic secretion. Iron supplementation can improve this condition by helping to increase thyroxine levels while decreasing thyrotropic hormones. In general, spinach, lean meat, beef and lamb are foods that will be rich in iron. Eating more of these foods can help lower thyrotropin. Eating more foods rich in selenium is also beneficial in lowering thyrotropin. These foods mainly include selenium-rich foods, sweet potatoes, mushrooms and other foods. These foods are rich in selenium and are also easily absorbed by the body. Consuming more of these foods helps the secretion of thyroid hormone, which reduces thyrotropin through a series of feedback mechanisms. A high thyroid stimulating hormone may indicate a decrease in thyroid hormones, in which case a review is needed to make sure it is not a hypothyroid problem. Also, diet must be taken care of to avoid this condition and progress to hypothyroidism.