noun
Refers to protein derived from milk, often used in nutritional contexts. The Japanese term 乳たんぱく質 is a synonym.
See also: 乳たんぱく質
このプロテインバーにはミルクプロテインが使われています。
This protein bar uses milk protein.
ミルクプロテインは消化が遅いため、就寝前に摂取する人も多い。
Because milk protein is slow to digest, many people take it before bed.