Celebrities may swear by them, but cleanse diets are downright dangerous. Dr. Susan Biali breaks down four popular cleanses, and how they're harmful

By Dr. Susan Biali

1 of 5

The Master Cleanse

Celeb fans: Beyoncé, Ashton Kutcher, Pink

The Master Cleanse, famously used by Beyoncé to drop weight for the movie Dreamgirls, is a liquid fast of mainly lemonade made with maple syrup and cayenne pepper. This is really nothing more than a 10-day liquid starvation diet.

Image: Andrew Evans/PR Photos

Average: 2.7 (20 votes)