All of the vitamins known to be essential to humans have been detected in milk. Vitamins A, D, E and K are associated with fat component of milk.
The amount of vitamin D secreted in milk is directly related to its supply in the feed and to the direct exposure of the animal to sunlight.
Vitamin D in milk is highest during the summer months and lowest in winter. Ultraviolet radiation offers another way of increasing vitamin D levels. It is the cow’s relatives exposure to the ultraviolet light of the sun that most determines the level of vitamin D in milk in the forts place.
Vitamin D, a fat soluble vitamin which enhances the intestinal absorption of calcium and phosphorus, is essential for the maintenance of a healthy skeleton throughout life.
Vitamin D in milk
