according to wiki:
Calpis (カルピス, Karupisu?) is a Japanese uncarbonated soft drink, manufactured by Calpis Co., Ltd. (カルピス株式会社, Karupisu Kabushiki-gaisha?) , headquartered in Shibuya, Tokyo. The beverage has a light, somewhat milky, and slightly acidic flavor, similar to plain or vanilla-flavored yogurt. Its ingredients include water, nonfat dry milk, and lactic acid, and is produced by lactic acid fermentation.
it also has a lot of flavored ones as well, that's for the normal.
