Whey protein powder is made from a high protein milk byproduct of the cheese making process.

Various methods are used to create and concentrate proteins from different plant sources.

Pea protein powder is made by extracting the protein from ground yellow split peas.

Casein protein powder is made in a similar method as to how cheese is made from milk.

Hemp protein powder is made from hemp seeds that have been ground into meal and had the oil extracted with a cold expeller press.