Naturally flavored with other natural flavors. 5g Protein. Feel fuller longer. (Special K2O Protein Water Mix contains 5g protein and 5g fiber per packet. Special K Protein products are designed to promote a feeling of fullness when part of a diet high in protein and fiber.) The way to stay on track and help manage your weight loss goals. Keep temptation away with refreshingly satisfying Special K2O Protein Water. It's a smart, tasty way to help manage your weight.