우유에는 단백질·지방·탄수화물·비타민·무기질 등 각종 영양 성분이 골고루 함유해 있고, 체내 흡수율 또한 높은 편이기 때문이다.
This is because milk contains evenly various nutrients such as proteins, fats, carbohydrates, vitamins, and minerals, and the absorption rate in the body is also high.