Lecithin is an important substance involved in metabolism. Lecithin deficiency can cause hair loss, skin roughness, insomnia and other symptoms, and in severe cases, even lead to fatty liver and hyperlipidemia. Lecithin supplementation through food does not have a therapeutic effect, people who do not have obvious disease symptoms can supplement lecithin through diet, if there are already typical disease characteristics, it is necessary to supplement lecithin through drugs under the guidance of a doctor: a. Food: 1, legumes: soybeans, soybeans, black beans, red beans, kidney beans, soy milk, tofu and other legumes and soy products are rich in phospholipids, especially lecithin, which has a preventive 2, nuts: walnuts, peanuts, almonds, hazelnuts, melon seeds and other nuts also contain more lecithin, but also contains unsaturated fatty acids, amino acids and other nutrients, the human body has certain benefits; 3, mushrooms: mushrooms, apricot mushrooms, shiitake mushrooms, fungus and other mushroom food also contains more lecithin; 4, cereals: lecithin is widely present in plant tissue Lecithin is also found in high levels in cereals such as sesame, corn, black rice, buckwheat, oats and barley; 5. Lecithin, also called the third vitamin, is rich in all kinds of food, so you can achieve the purpose of supplementing lecithin through a balanced and diversified diet. Second, drugs: If you already have hyperlipidemia, fatty liver and other abnormalities, you still need to use lecithin tablets, lecithin capsules, lecithin granules and other drugs to improve.