Our Instant Drink Shaker bottles are a "just-add-water" solution for your on the go diet needs. Low Calorie Instant Drinks are a great way to get your protein in between meals & our Meal Replacement Shakes are fortified with various vitamins & minerals to keep you feeling energetic throughout our dieting process. Because the bottles only contain powder - there's no need to refrigerate or worry about quick expiration dates. Keep a few in your car, office, & gym bag!