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If you find post-workout performance shakes a bit too heavy for your tummy, give Mix1 Lean Performance Shakes a try. These all-natural shakes provide a whopping 10 grams of whey protein isolate, 3 grams of soluble fiber, 23 vitamins and minerals and 3 servings of fruits and veggies packed into a delicious 90-calorie drink. Mix1 shakes are lactose and gluten free and provide a perfect nutritional boost immediately following a workout or anytime you crave a healthy treat. With four yummy flavors to choose from – acai-pomegranate, blueberry, strawberry-banana, and orange twist – your only challenge may be choosing just one!