Milk and calcium cannot be eaten together. Milk contains a large amount of calcium, and the body’s ability to absorb and ingest calcium is limited. If milk and calcium are taken together it will cause a waste of calcium, so that the calcium will not be able to fully play its role. And not only the waste of the problem, milk and calcium taken together is also easy to enter the stomach, the formation of the reaction to produce flocculent, coagulation into a block and affect the absorption of calcium. If milk and calcium are taken together in large quantities and for a long period of time, it is also easy to cause hypercalcemia and kidney stones, etc., so milk and calcium can not be eaten together. If you want to take milk at the same time as calcium supplement, it is best to take milk at an interval of more than one hour, and the best time to take calcium supplement is the best time to take it before going to bed.