mix1, Boulder, CO, has released mix1 Lean Performance shakes, which are designed for pre- or post workout. The all-natural shakes contain 90 calories, 10 grams of whey protein isolate, 10 grams of carbohydrates, antioxidants equivalent to 3 servings of fruits and vegetables, 3 grams of soluble fiber and 1 gram of heart healthy fat from olive oil, according to the company. The product is available in Acai-Pomegranate and Orange-Twist flavors.