The Zone Perfect dark chocolate nutrition bars provide balanced nutrition, a source of proteins and are rich in antioxidants. The antioxidants protect your body from aging and help to minimize the risk of heart diseases. It also helps to reduce your blood pressure and balance certain hormones present in your body. These Zone Perfect protein bars contain 180-190 calories per serving. The dark chocolate almond tastes great and keeps you fueled for an entire day. Each bar contains 19 vitamins and minerals, and 12 grams of protein. The dark chocolate nutrition contains almonds, milk, soy, wheat and other few ingredients.