Black coffee is more than a beverage—it’s a functional drink backed by science. Free from sugar, milk, and additives, it delivers pure caffeine and antioxidants that support both body and mind. Below are the verified advantages of drinking black coffee, and why Kettleberry Classic is a standout choice for clean, flavorful coffee in India. What Is Black Coffee? Black coffee is brewed coffee served without milk, cream, or sugar. According to WebMD, it contains just 2 calories p