CytoSport Inc. unveiled Muscle Milk Light with 160 calories vs. the original 270 calories. Muscle Milk Light is available in Chocolate, Vanilla Crème and Strawberries ’n Crème flavors. The product is packaged in a 14-ounce bottle with a screw-top. Muscle Milk Light has a complete daily dose of “healthy fats,” protein and carbohydrates in one bottle, the company says. Each bottle is priced at $3.79.