Aura Herbals, Vitamin D3 Forte is vitamin D3 obtained from lanolin, from the wool of live, healthy sheep living on pastures in Australia and New Zealand. Thanks to the finely dispersed particles obtained in specialized Swiss laboratories, Quali-D is characterized by a very stable form. Vitamin D3 supports the proper functioning of the immune system, helps maintain healthy teeth and supports proper muscle function. It has a beneficial effect on the absorption of calcium and phosphorus.