The researchers found that about 500 millilitres of milk a day for most children was the right amount to have adequate levels of vitamin D and iron.
Research suggests that people over the age of nine should drink three cups of milk every day. That's because milk and other dairy products are excellent sources of calcium, phosphorus. vitamin A, vitamin D, riboflavin, vitamin B12, protein, potassium, zinc, choline, magnesium, and selenium.