Natural Factors Vitamin D3 provides the natural form of vitamin D that is essential for the absorption of calcium & phosphorus.
...Vitamin D plays a dual role as both a vitamin & a hormone that stimulates the body to absorb calcium. Vitamin D, calcium, &
...Promote strong bones & teeth with Vitamin D3 from Natural Factors! This unique vitamin helps increase the body's absorption of calcium from food. Its role in regulating calcium levels also helps regulate the immune system & maintains healthy nerves & muscles. Vitamin D3 is carefully blended with organic flaxseed oil in an easy-to-swallow softgel.