Many studies suggest that we may need more vitamin D than presently recommended to prevent chronic disease.

Dr. Christine Gonzalez reviewed the evidence for disease prevention. Let’s focus on what’s known and what requires more evidence.

Here’s what we know.

  • The best evidence for the possible role of vitamin D in protecting against cancer comes from colorectal cancer studies.
  • Evidence is strong for the potential role of vitamin D in preventing fractures and falls.
  • Further studies are needed to vitamin D in protecting against heart disease, autoimmune diseases, influenza, diabetes, and depression.

The bottom line.

New vitamin D dosing recommendations from Canada are here.

11/16/10 19:27 JR

Hi, I’m JR

John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at, a complementary and alternative medicine website.