noun
Refers to proteins derived from milk, such as casein and whey. Common in nutritional and food contexts.
乳タンパク質は筋肉の修復に役立つ。
Milk protein helps with muscle repair.
このプロテインバーには乳タンパク質が多く含まれている。
This protein bar contains a lot of milk protein.
Compound of 乳 (にゅう, 'milk') and タンパク質 (たんぱくしつ, 'protein').