Naturally and artificially flavored. 50% less fat (50% less fat than Myoplex Mass Bar. Myoplex Lite Bar - 6 g fat; Myoplex Mass Bar - 12 g fat per 54 g). 15 g high quality protein. Don't waste your workout. Taken within 30 minutes after your workout, the 15 g high quality protein in Myoplex Lite helps you refuel and build lean muscle.