Ovaltine (also known by its original name ovomaltine) is a brand of milk flavoring product made with malt extract (except in the blue packaging in the united states), sugar (except in switzerland), and whey. some flavors also have cocoa. ovaltine, a registered trademark of associated british foods, is made by wander ag, a subsidiary of twinings, which acquired the brand from novartis in 2002, except in the united states, where nestlé acquired the rights separately from novartis in the late 2000s.

Source: Wikipedia