Ahead, dietitians share a list of foods you can (and can't) eat on the Whole30 diet, along with the potential benefits and risks of the 30-day meal plan, and a sample menu. Meet the experts ...

“So it’s not even possible to know if the diet that results from this will be healthful.” In this way, he says much of the Whole30 plan is “standard ‘go on a diet’ salesmanship.” ...