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 ...

Two of the most talked-about fad diet plans these days are ... and processed foods are banned. Whole30 followers are encouraged to eat mostly home-cooked meals rich in veggies, meat, eggs, fish ...

“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.” ...

The Fast Diet, developed by Dr. Michael Mosley ... and fresh vegetables in a tangy lime dressing (322 calories). This meal plan emphasizes heart-healthy fats and lean protein.