The Body by Vi  V-Slim Metab-Awake! Tablets Nutritional provide support to help you burn fat faster, without jitters or stimulants. Take one tablet daily to give your metabolism a boost and help your body burn fat naturally. Vi-Slim has patented ingredients to offer a healthy boost to your metabolism which will burn fat and promote lean muscle mass without leaving you jittery. You can increase your daily amount of calories used by as many as 85–125 calories, which equates to about 10–15 pounds of weight per year.