Vitamin D Deficiency: Assessment & Intervention

Is vitamin D a vitamin or a hormone? Is vitamin D deficiency the cause of a multitude of illnesses, or is it a source of hype? Learn the answers to these questions from
  • Vitamin D physiology
  • The potential consequences of deficiency
  • Vitamin D's established role in bone health
  • Findings about Vitamin Ds emerging role in immunologic, mental, reproductive, and cardiovascular health