The well-known modafinil brand Modvigil 200 is not intended to help people lose weight or burn fat.  Nevertheless, some users report feeling less hungry and more energized while taking it, which could result in consuming fewer calories and engaging in greater physical activity, both of which, over time, can help reduce body fat. The way Modvigil 200 works is by encouraging alertness and increasing concentration, which may aid with motivation and productivity, even when it comes to working out.  However, losing weight is not the drug's intended purpose; it is a side effect.  It is not advised by doctors to use Modvigil 200 just to burn fat.  Always utilize it under a professional's supervision, and give healthy living top priority.