Leanbean contains 12 fat burning ingredients to help you achieve your goals. A big part of the appeal is glucomannan, a thickener and gelling agent made from the root of the Japanese konjac plant that studies suggest can produce significant appetite suppression. Other people use energy drinks and coffee for the express purpose of losing body fat, as part of their dieting process. Keto Advanced 1500 In addition to this, individuals on a carbohydrate-restricted diet have lower energy levels and experience shorter time to fatigue during exercise. This means that workouts will likely be cut short and lower in intensity.