It's recommended that you actually wait until you have developed your diet and exercise plan to introduce the fat burners. Once your body has adopted your eating and exercise routines, the results of the fat burners can be more effective. These capsules by Muscletech are available in two flavours and the key ingredient in these capsules for stimulating weight loss is green coffee. The capsules give you physical energy and might even help in increasing your mental focus by charging up your brain cells.