Lecithin is one of the most powerful dietary supplements developed by man. Lecithin as a substance was first isolated from egg yolks in 1850 by Maurice Bobley. Soybeans, grains, brewer's yeast, fish, and egg yolks are natural sources of lecithin. Studies have shown that plant-based lecithin (found, for example, in soybeans) is more effective than animal-derived lecithin (for...