Iso D₃ delivers 2000 IU of the preferred form of vitamin D, as vitamin D3, in each tablet. The active form of vitamin D in the body is 1,25 dihydroxyvitamin D—1,25 (OH)₂D₃. Dietary vitamin D must be converted into this active form in order to deliver the health benefits associated with vitamin D. Iso D₃ is designed to support optimal metabolism of vitamin D to its active form.

• Provides soy isoflavones. Genistin may help facilitate the body's utilization of vitamin D3 for enhanced health benefits.
• Supports overall good health and more specifically:
  —Normal cell proliferation
  —Proper neurological function
  —Balanced immune activity
  —Optimal bone density and more