Nutri Iso D3 delivers 2000iu of the preferred from of vitamin D as cholecalciferol D3 per tablet. With added isoflavones which may help aid the bodyÕs utilisation of vitamin D3. Vitamin D has many biological funtions in the body which may help to support cellular health, healthy immune function and healthy inflammatory responses, as well as supporting bone healthy. Vitamin D3 is the preferred form as this is the same form produced by the skin when exposed to the sun. Soy isoflavones may help to support healthy bones, cardivascular and hormonal health and work well in combination with vitamin D3.