The invention provides, in one aspect, a method of producing a cocoa-containing beverage, or a nutritionally fortified or energy-sustaining cocoa beverage, containing beneficial cocoa polyphenols. Ready-to-drink compositions, concentrates, primary beverage components, and packets for producing the beverages are specifically disclosed and prepared from a cocoa water composition made from steeping a cocoa-containing product in water or an aqueous solution with an acid. A number of vitamins, minerals, supplements, and nutriceutical compositions can be added.