The 10 Unhealthiest Beverages--EverThe Worst Smoothie. Smoothie King Peanut Power Plus Grape (large, 40 fluid ounces) The Worst Frozen Fruit Drink. Krispy Kreme Lemon Sherbet Chiller (20 fluid ounces) The Worst Frozen Coffee Drink. Dairy Queen Caramel MooLatte (24 fluid ounces) The Worst Hot Chocolate. The Worst Soda.Jun 30, 2010