Will I put all the weight on again at the end?

Will I put all the weight on again at the end?
You'll lose weight fast for 15 days by eating a diet of lean protein and vegetables with low-GI carbohydrates, keeping your GI index and calorie intake down. At the end of your beach diet, you'll need to reintroduce high GI foods back into your diet gradually, going for medium-GI foods such as potatoes to start with, for example. To avoid putting the weight back on straight away, continue eating low-GI foods - not just to get your bikini body but for the good of your health.