Whey protein is one of two proteins that are found in milk. It can be separated from the second protein and formed while making cheese. The end product is low in lactose and contains all nine essential amino acids. It is popular in the fitness world as it is often used in powder form to aid in weight loss and bodybuilding. It has several health benefits when used properly. People who are allergic to milk or overuse products containing whey protein may find themselves with unpleasant side effects.


1. How It's Made

There are two types of proteins found in cows milk: casein and whey. The major difference between the two is that whey is digested quickly and casein is digested slowly. During the process of making cheese, the whey is separated from the casein when curds form leaving the whey protein behind as a liquid. The liquid whey is then pasteurized and dried into a powder form. It is this powder form of whey that is used to make several different products that most are familiar with.


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