Original Thorne

Maintaining an optimal level of vitamin D throughout all stages of life helps maintain strong bones and healthy immune function. Combines vitamins D3 and K2 for enhanced support.

Thorne’s vitamin D supplements contain no lactose and no preservatives. Vitamin D, in its D3 form, is more potent and better absorbed form than its D2 form.

An optimal delivery format for iron, which is essential for healthy red blood cells. Resists fatigue and other effects of iron deficiency in women, athletes, and others.