Taurine It is a building of all the other amino acids as well as a key component of bile, which is needed for the digestion of fats, the absorption of fat-soluable vitamins, and the control of serum cholesterol levels. Taurine is incorporated in the bile acid chenodeoxychloic acid, which emulsify the dietary fats. http://www.moondragon.org/health/nutritionbasics/aminoacids/taurine.html