Soy lecithin has not been found to have any significant side effects for the time being. Soy lecithin is extracted from soybeans, usually by solvent extraction and then isolated. Lecithin can emulsify and decompose fats and oils, and can emulsify cholesterol and fats adhering to the blood vessel wall into microparticles, so that they can be dissolved in the blood and transported back to the liver to be metabolized, so it is mainly used to assist in lowering blood lipids. Note that soy lecithin is a health food and cannot be used as a substitute for medication. Soy lecithin is a health food, and no obvious side effects have been found for the time being. Soy lecithin is mainly used to assist in lowering blood lipids and is suitable for people with high blood lipids. It is not suitable for children and teenagers, pregnant women, breastfeeding and other groups, and is not recommended for people outside the appropriate group.