Sundown Naturals Calcium Magnesium and Zinc High Potency Formula is a supplement that promotes health of bones and nerve function. This is a Vegeterian Formula. Calcium and Magnesium work together for optimum bone mineralization. And make bones strong.Zinc is important for cell division and growth, Sundown Naturals Calcium Magesium and Zinc High Potency Formula caplets are easy to swallow. This supplement is all natutal with no additives or preservatives. alcium magnesiumn and zinc are jinerals thatatnecessary fora healthy lifestyle.