Vitamin D, C, K
Boron and silica, both help to increase the uptake of calcium from the blood
Also healthy nutrients include the
amino acid lysine, which also promotes the absorption of calcium; vitamin C, an important player in the production of collagen that is essential to bone healing; and magnesium.
50 percent of the magnesium in your body is found in the bones, in proper proportion to calcium it's important in the maintenance of bone health.