Lecithin 1200mg (Unbleached) by Natural Factors 180 Softgel Liver function aid digestion of fat helps protect arteries from cholesterol buildup and prevent formation of kidney stones and gallstones. Lecithin is a naturally occurring group of compounds found in nearly every living cell and concentrated in the vital organs such as the brain liver and kidneys. Lecithin aids liver function may lower cholesterol levels and may prevent the formation of liver and gall stones. Lecithin also provides a good source of choline helpful to the nervous system and liver. Lecithin also aids in the proper digestion and absorption of essential fats and fat soluble vitamins.