Whey Protein Concentrate Vs Whey Protein Isolate: Explained When you go to a market there are a few questions that you are asked like, which protein powder do you want? There are many types of proteins in the market, and you must have heard about Whey protein being fast absorbing than the Casein. Even whey protein comes in two forms, concentrate and Isolate. Now what are these? Whey is a water soluble protein in milk and is the bi product that you get when you make cheese. This is because when we add coagulators in the milk for making curd or cheese, the two types of proteins in the milk Casein and the Whey gets separated. Whey protein being soluble in water remains in the water form and the product (that has coagulated) has Casein. The whey is then separated using different separation processes to increase the concentration of Whey protein in the whey which still has carbohydrates and fats in it. One of the leading protein powders is: New Zealand protein by Nexpharma. The two types of Whey protein are: Whey Protein Concentrate : Whey protein concentrate is obtained through micro filtering process of the whey. This process does not alter the composition of the protein and hence the protein remains in its natural form. The protein so obtained has a concentration of 80% which is better source of protein than any other foods that are naturally found. Hence, it is very useful for a body builder.