NRG - CalciumCalcium, considered one of the most essential minerals, is deficient in most Australian soils. Nearly 70% of minerals found in a horses body are made up of Calcium, Magnesium and Phosphorous. These minerals are critical for bone, teeth, joint and cartilage health. For the active working horse, between 25% and 50% of absorbed calcium is lost during exercise or competition. If your horse is restricted to a small paddock, locked in a stable, or kept in a