Artificial sweeteners are used as substitutes for sugar. They are food substitutes with lesser amounts of energy. Some of them are produced synthetically and others are available naturally. Some are high intensity sweeteners like sucrose and maltodextrins used in soft drinks. Others like acesulfame potassium (See: Acesulfame Potassium), stevia, neotame, sucralose, aspartame, and saccharin are approved sugar substitutes used in foods. Certain sugar alcohols like sorbitol, and xylitol are sugar alcohols are less sweet and are also used in foods. They are generally used in foods and beverages to enhance taste, reduce weight, improve shelf life of the product, and to assist people with diabetes.