The Different Types of Chocolate Dark chocolate, often referred to as semi-sweet or bittersweet, contains 50 to 90 percent of cocoa solids, cocoa butter, and sugar. High-quality dark chocolate has at least 70 percent chocolate. It has little to no milk solids. Milk chocolate, on the other hand, contains 10 to 50 percent of cocoa solids, cocoa butter, milk of some form, and sugar—much more than dark chocolate. Then there’s white chocolate. It’s even less healthy, having no cocoa solids, just cocoa butter, sugar, milk solids, and often vanilla. Health Benefits of Dark Chocolate Because of that