7-day GM diet menu to lose 15 lbs in a week - expert review. There are so many fast weight loss plans and GM diet is one of them. It promises you to lose 15 pounds in just 7 days, but can this crazy good diet a valid diet? We asked an expert.

7-day GM diet menu to lose 15 lbs in a week - expert review. There are so many fast weight loss plans and GM diet is one of them. It promises you to lose 15 pounds in just 7 days, but can this crazy good diet a valid diet? We asked an expert.