Propel is a good source of antioxidants vitamin C and E, and is an excellent source of the B vitamins niacin, B6, and pantothenic acid. Propel is an excellent solution for anyone looking to monitor sugar or calorie intake. Propel is the only water with enough electrolytes to get back what you lose in sweat. Flavored water encourages increased consumption, better hydrating the industrial athlete. Zero calorie. Zero sugar.