Going Nuts Over PB2! New “In the Box” Powdered Peanut Butter is Here! If you love peanut butter but don’t love all the fat and calories, we have some great news for you. We now offer PB2, the popular powdered peanut mix that has HMR dieters across the country raving. At just 22 calories per tablespoon, PB2 is now on the approved list of “in the box” flavorings for Phase 1 or Phase 2. (The recommended serving size is one tablespoon per meal replacement.) HMR dieters who have tried it say that the added variety and amazing shake combinations that are possible with PB2 has actually helped them stay on the diet longer! This all natural powder is made from roasted peanuts with practically all the fat removed. It’s available in peanut butter and chocolate peanut butter flavors. Each jar has 30 servings. $5.75 per jar.