Place all ingredients in blender container; cover. Blend on high speed until well blended.
Tip: If not using remaining drink mix in the tub for additional smoothies, empty remaining contents of tub into large plastic or glass pitcher. Add 1-1/2 qt. (6 C.) cold water; stir until drink mix is dissolved. Serve over ice or refrigerate until ready to serve. Store prepared beverage, covered, in refrigerator.
Variation: For a delicious alternative, prepare as directed using your favorite flavor Crystal Light Calcium Low Calorie Soft Drink Mix.
Yield: 4 (about 1-C.) servings