How to distinguish skimmed-milk powder

The strict controls in use, in any way, guarantee the quality of milk that once could be partially skimmed the surplus of 4% of obligation and even more.

Now they sell the types of whole milk admittedly, partially skimmed or low-fat at all.Even low-fat milk is still full of many substances and is easily digestible.

Look with suspicion at the milk which has a slightly bluish transparency. Probably was diluted with water.
skimmed milk powder

What you have in your mind?