Foods with high iron content include tomatoes, rape, celery, apricots, peaches, plums, jujubes, lean meat, egg yolks, etc. Because iron in food is not easy to absorb, vitamin E should be supplemented while taking these foods.

Animal iron content is high in pig liver, followed by fish, lean pork, lean beef, mutton, etc. Among plant foods, soybean has the highest iron content, fresh vegetables have high iron content in leeks and celery, and seafood has high iron content, such as kelp, laver and mushrooms.

Foods rich in potassium: 1, vegetables, such as celery, leek, spinach, cabbage, tomatoes, potatoes, eggplant and beans, which are rich in potassium. 2. Fruits, such as oranges, lemons, grapefruit, oranges, watermelons and bananas, are also rich in potassium. 3. Beans, such as soybeans, mung beans, black beans and red beans, are also rich in potassium. 4. Various fungi, such as auricularia auricula, mushrooms and Hericium erinaceus, are also rich in potassium.