The system of imperial units or the imperial system (also known as British Imperial or Exchequer Standards of 1825) is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced. The Imperial units replaced the Winchester Standards, which were in effect from 1588 to 1825.
Almost all types of cow's milk in the U.S. are fortified with vitamin D, but ice cream and cheese are not. In general, an 8-ounce glass of milk contains at least 100 IUs of vitamin D, and a 6-ounce serving of yogurt contains 80 IUs, but the amount can be higher (or lower) depending on how much is added.
Bone health. Everyone has heard that milk is good for the bones, and that is because milk is one of the primary sources of vitamin D in the American diet, as well as a good source of calcium. However, adequate calcium and vitamin D intake is not enough to prevent osteoporosis.hether milk is actually a healthy choice depends on the individual and type of milk being consumed. Some milk is high in protein, low in added sugar and free of unnecessary additives, but there are also flavored milks that have just as much sugar as a can of soda.