Pure Protein - Ready-to-Drink Protein Shake 30g - Vanilla 12 PackPure Protein Vanilla Protein Shake delivers 30g of complete protein per 11 fl oz ready to drink bottle in a smooth, creamy vanilla flavor. The protein blend of milk protein concentrate and calcium caseinate provides both fast acting and slower digesting proteins for extended amino acid availability. At 160 calories, 3g net carbs, and 1g sugar, this is one of the most macro efficient RTD protein options for keto and low carb diets. Includes vitamins A,