What role does Vitamin D play in relation to calcium?
In Becoming Vegan the authors write, “Vitamin D is a major player in a team of nutrients and hormones that keep blood calcium at optimal levels and support bone health during growth and throughout life. It stimulates the absorption of the bone-building minerals calcium and phosphorus from the intestine and helps regulate the amount of calcium in bone. It is important for proper functioning of cells throughout the body (in muscle, nerves, and glands) that depend on calcium. If more blood calcium is needed, vitamin D is able to act in three places: • to reduce urinary calcium losses via the kidneys; • to absorb calcium from food more efficiently in the digestive tract; • to draw calcium from our bones, which serve as a storehouse of calcium. Source: Becoming Vegan, 133-134 Q: How is vitamin K related to calcium? A: Dr. Walter Willett writes, “Until recently, vitamin K was thought to be necessary mostly for the formation of proteins that regulate blood clotting. It turns out, though, that
