Found in many foods, Lecithin is a mix of fats which are essential to the body. It works as an emulsifier, suspending oils and fats from mixing with other substances. This supplement may treat high cholesterol, ulcerative colitis and aid in liver health. Some studies show that it can prevent gallstone formation in the gallbladder by keeping cholesterol from solidifying. It’s a good source of choline, a nutrient which may assist in the prevention of dementia, as well as the reduction of associated symptoms. It may also clean your arteries and keep them clear of plaque.