Vegetables and fruits supplemented with iron are: auricularia auricula, kelp, soybean, sesame, spinach, laver, celery and shepherd's purse. \x0d\ Common iron supplements in daily life are animal liver and kidney; Followed by lean meat, egg yolk, chicken, fish, shrimp and beans. There are alfalfa, spinach, celery, rape, amaranth, shepherd's purse, day lily, tomato and so on. Apricots, peaches, plums, raisins, red dates, cherries and so on. Fruits contain more iron, dried fruits contain walnuts, and others, such as kelp, brown sugar and sesame sauce, contain more iron. Usually wok cooking is beneficial to iron absorption. \x0d\ Iron is the main substance that sustains life, produces heme and myoglobin, and promotes vitamin B metabolism. Most of the iron in human body is used to make heme. Heme is recycled when blood cells are replaced by new cells every 120 days. Protein-bound iron is stored in the body, while tissue iron (found in myoglobin) is very small.