Calpico is a non-carbonated Japanese soft drink, with a mildly sweet and tangy taste, evoking a blend of flavors reminiscent of yogurt, buttermilk, and milk. The main ingredients of Calpico include water, nonfat dry milk (treated with lactic acid), sugar, soy fiber, citric acid, sodium citrate, and natural artificial flavors. (11.3oz/335ml).