1, iron-rich foods: such as animal liver, jellyfish, shrimp, egg yolk, sesame, kelp, laver, black beans, etc.

2, foods rich in vitamin C: such as pomegranate, kiwi fruit, grapes, longan meat, carrots and so on. Because vitamin C can reduce trivalent iron in food to divalent iron, which is more beneficial to human absorption.

3. Foods with high protein content: such as lean meat, milk, dairy products, bean products and fish.