Whey protein is a protein in milk that is most efficient in building muscle.

a. True

b. False

a. True

Explanation:

Whey protein contains all 9 essential amino acids, the basic building blocks of proteins which make up the contractile elements in muscles. Proteins are used in the body to produce many important compounds such as enzymes, skin cells and organs. They are basically the building blocks of human organs including muscles.

Therefore whey protein is most effecient in building muscles because it supplies all essential amino acids.