From concentrate. Est. 1910. Dairy farms. As much calcium as milk per 8 fl oz. 100% pure orange juice from concentrate with calcium. Calcium per 8 fl oz: milk = 300 mg; Orchard Pure with Calcium = 300 mg; Regular Orange Juice = 20 mg. www.orchardpure.com. Comments? 1-800-395-7004. Pasteurized. Orange juice concentrate from USA, Brazil, Mexico and/or Costa Rica.