Vitamin D has known beneficial effects on mineral absorption and bone mineralization. Though sunlight triggers the body's natural Vitamin D factory many health professionals have urged people to avoid excessive exposure to the sun.
Kosher Vitamin D (Kof K) Product
The fat-soluble vitamin D's most important role is maintaining blood levels of calcium which it accomplishes by increasing absorption of calcium from food and reducing urinary calcium loss. Both effects keep calcium in the body and therefore spare the calcium that is stored in bones.