NOW - Vitamin D-3 (1000 iu - 360 sgels - 360 Softgel(s) - NPN: 80003199 -- NOW® Vitamin D Softgels supply this key vitamin in a highly absorbable Liquid softgel form. Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun. However, it is not abundant in food. As more people avoid sun exposure, Vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply. NOW uses ultra-healthy Olive and Safflower oils as a base versus soybean or flax oil versions.