Well how much is too much Milo?? At the mo I am drinking milo nearly everyday. I too have been craving milk!! I dont think I have drunk so much milk in my life. lol
How much is too much?

750ug (2500IU) is the RDI for vitamin a. The maximum safe amount is 3000ug (10,000IU).

One serve of milo (4 teaspoons) has 131ug of vitamin a. So 5 serves of milo is the RDI, but that's well under the safe limit.