For example, an apple is only about 50 calories and has a GI of just 38, while white bread has a GI of 71.Don't Weigh Yourself - Although people say they're going on a diet to lose weight, more accurately what they want is to lose body fat and lower their body fat percentage. Some people can accomplish this and need to go out and buy smaller clothes without actually losing a single pound in weight, because they've been to the gym and replaced the fat with some lean muscle.
