A regular intake of these simple detox drinks can aid weight loss, give a boost to your metabolism, work as an incredible laxative agent and helps digestion. Detox drinks also aid smoother liver functioning, better sleep and improved hair and skin. I’m going to buy this and keep it around to drink every day." Acting your age can wait a day or two but say goodbye to looking your age! It’s a vacation for the body, and especially for the digestive tract,” says Haas, who has been promoting detox diets in his medical practice for 35 years. He is the founder and director of the Preventive Medical Center of Marin in San Rafael, Calif.