EIDON Ionic Minerals, Calcium, 18 oz (533 ml)
The concern is getting the correct balance of minerals for Calcium to be effective. However, Eidon's ionic liquid Calcium is bioavailable and quickly absorbed. Skeletal strength depends on many minerals, especially Silica, for bone collagen maintenance, but also includes Phosphorus, Magnesium, Boron, and Strontium.