In addition to being fortified with vitamin D, milk is also a natural source of 14 essential nutrients. Whether it is skim, 1%, 2%, homogenized or powdered, milk provides basically the same nutritious elements. However, the fat content changes. As well, milk contains about 90% water, making it an effective thirst quencher.
Here’s a brief look at what milk contains:

Protein: Helps build and repair body tissues and strong muscles. Plays a role in the creation of antibodies that fight infection.
Vitamin A: Helps build strong bones and teeth. Contributes to the maintenance of normal vision and normal function of the immune system. Aids in maintening the health of the skin.
Vitamin B12: Aids in red blood cell formation and is a factor in the conversion of food into energy.
Vitamin B6: A factor in the conversion of food into energy and tissue formation.
Riboflavin: A factor in the conversion of food into energy and tissue formation.
Niacin: Aids in normal growth and is a factor in the conversion of food into energy and tissue formation.
Thiamine: Releases energy from carbohydrates and aids normal growth.
Pantothenic acid: A factor in the conversion of food into energy and tissue formation.
Vitamin D: Improves calcium and phosphorus absorption and builds and maintains strong bones and teeth.
Calcium: Aids in the formation and maintenance of strong bones and teeth.
Magnesium: Contributes to normal muscle function. Supports tissue formation and bone development and is a factor in the conversion of food into energy.
Phosphorus: A factor in the formation and maintenance of bones and teeth. A factor in the conversion of food into energy.
Potassium: Supports proper kidney and heart functions, muscle contraction, and nerve transmission.
Zinc: Contributes to the normal function of the immune system. Plays a role in tissue formation. A factor in the conversion of food into energy. Contributes to the normal function of the immune system.
Selenium: Dietary antioxidant involved in the formation of a protein that helps support proper cell function.