Challenges, chores, choices...life can be hard. Slim Sister Tea makes it a little easier to curb your appetite and slim down the natural way. Slip and savor. You'll love the delicious bright notes of fruit flavour in this acai blackberry and garcinia cambogia infused tea. Slim Sister is the right choice for a healthy lifestyle. Garcinia Cambogia, the active ingredient in Slim Sister, is a tropical fruit grown in Southeast Asia. It blocks the bodies ability to make fat and puts the brakes on your appetite.