Lecithin contains a substrate called phosphatidylcholine. Phosphatidylcholine is a major part of the membranes surrounding cells. It is also used to make acetylcholine - a nerve chemical essential for proper brain function. Lecithin helps the body safely utilize fat and cholesterol. It also “emulsifies“ fats by breaking them into smaller droplets. Lecithin and its derivatives are very useful for animals that are overweight because it helps the body safely utilize fat. For this reason, it is also useful in pets with liver disease. Additionally, lecithin is an excellent addition to the diet of an elderly pet, since it helps to protect against cardiovascular disease. These are the many reasons lecithin are found in almost all variants of ProBiotic LIVE.