Tropical Oasis Liquid Calcium Magnesium is a great-tasting way to strengthen bones. Calcium & magnesium are the primary building blocks of bones, teeth and muscles. Great tasting Orange Flavor / Gluten free Include vitamin D, studies show that your body needs vitamin D in order to absorb the calcium. Liquid Supplements are absorbed up to 96% by the body - Compared to pills/capsules that are only absorbed about 18%