Dietary Supplement Easy to Swallow Softgels Readily Absorbable Liquid Calcium plus Vitamin D for Strong & Healthy BonesLiquid Calcium is a readily absorbable source of calcium and helps build bone mass in young adults and helps prevent bone loss in later years. Calcium is also linked to regulation of the heart, iron metabolism, and is essential to the nervous system. Vitamin D is essential to help the body absorb calcium and necessary for healthy bones, teeth and cartilage.