Pure Protein Bar- Worldwide Sport Nutrition Pure Protein Bar is a high protein, low carbohydrate, meal replacement sports bar providing 32g protein, 13g carbohydrates, 4g fat, 270 calories, and vitamins, and minerals. High Protein/Low Carb Meal Replacement Bar! Fortified with Vitamins and Minerals. 33000mg Amino Acids! Glycerine is not a Carbohydrate but has a caloric value of 4.32 per gram.