'Does the grape fruit diet work' is a question that confuses many people. In the contemporary times, low fat grapefruit diet is gaining momentum, owing to its health benefits. The best part about grapefruit diet is that, it is high in fiber content and also it contains loads of water that gives a feeling of fullness. Grapefruit acts as a rich source for intake of vitamin C. Since it is low in calories, it is ideal for weight loss. Here is presented a 3 week long grapefruit meal diet plan that contains about 800 calories per day: