Ionic Minerals Mineral Dietary Supplement A Broad Spectrum Blend of Minerals Essential for Healthy Bone Easy to Swallow Gentle on the Stomach Purity You Can See, Taste and Feel Eidon Bone Support: Bone is only 20% calcium. Other minerals are also required for normal development, healing and maintenance of healthy bone. Eidon Bone Support is formulated to give you all the essential bone nutrients, including silica which helps form the collagen matrix and manage calcium.