This D3 Vitamin 1000 Iu supplement supports bone, teeth, muscle, and immune health and is crafted with cholecalciferol, an easily absorbed and utilized form of Vitamin D.+ Unique to many Vitamin D supplements, Vitamin D3 1000IU tablet is crafted with real food. Every serving offers 724 mg of brown rice, S. cerevisiae, parsley leaf, broccoli, carrot, and beetroot.