Significance

• According to the University of Michigan Health System, people digest whey protein more rapidly than many other protein types. It contains the proteins beta-lactoglobulin and alpha-lactalbumin and also has amino acids.
  
  

Function

• The proteins in whey can help the body produce lean muscle more quickly, according to the National Dairy Council. Higher protein diets can also aid weight loss, athletic performance and overall health.
  
  

Uses

• Some people make their own protein dietary supplements out of the whey leftover from making cheese. Commercial food companies also add leftover whey to a variety of foods including ice cream, baby formulas, canned soups and bread to increase nutritional value.