Colour-coded diets

Based on the clever titles, it might be tempting to dismiss these programs as gimmicks, and in fact when your weekly menus are literally "color coded," it might seem that the diet book authors are just scrambling for a new hook or premise on which to base an entire eating program. I have not read any of those books you mentioned yet, so I can't comment on any of them specifically. However, as "gimmicky" as from every color in the rainbow may sound at first, there is some very legitimate and scientific evidence that this is a great idea. Read on ...