So what is the best way to lose weight fast? The answer will depend on your definition of how fast and how much weight you want to lose. If you want to be able to lose 50 pounds by next week then you probably have to do something drastic such as surgery or chopping off a leg. Now they are looking for something more practical then the answer will probably be to eat a lot less and exercise a lot more. When it comes to losing weight but is it really a shortcut if you want to have long-term results. What really comes down to is doing what you need to do until you achieve the results that you want. This is the same for everything else in life.