For maintenance of blood calcium levels vitamin D-3 is essential. It is vital for the stabilization of normal functioning levels of the nervous system, bone growth and bone density. As weight bearing exercises become more and more popular and as we find ourselves increasingly aware of the suns damaging rays, thereby avoiding sun exposure, it is important to get sufficient amounts of Vitamin D-3 thru supplementation to ensure that your body receives an adequate supply. Now Vitamin D-3 soft-gels supply this key vitamin in a highly absorbable liquid soft-gel form.