High in protein Zero added sugar Less than 150 calories Diet Protein Shake is a delicious, high protein shake with zero added sugar, made using premium 100% whey protein and naturally sweetened with real Raspberry, Apple and Blueberry juices. High in protein Zero added sugar Less than 150 calories Diet Protein Shake is a delicious, high protein shake with zero added sugar, made using premium 100% whey protein and naturally sweetened with real Raspberry, Apple and Blueberry juices.