Milk Non Fat Dry
Simply put, this is dehydrated skimmed milk Skimmed milk is milk from which the cream has been removed Skim milk contains more calcium than whole milk. Most of the calcium in milk is not contained in the fat that is removed when 'skimming' the milk. But rather in the water content of the milk. Removing the part of the milk with a lower percentage of calcium, increases the relative percentage of calcium in the remaining milk.