Abbott Nutrition, Columbus, OH, has launched ZonePerfect Dark Chocolate All-Natural Nutrition Bars, which contain dark chocolate, vitamins C and E, along with selenium. The product is available in Double Dark Chocolate, Dark Chocolate Almond and Dark Chocolate Strawberry varieties. Made with real cacao, the bars are an “excellent source of protein,” containing 12 grams per bar, as well as a “good source” of 19 essential vitamins and minerals.