What Are the Benefits of Vitamin D? - dummies

What Are the Benefits of Vitamin D?

By Alan L. Rubin

Part of Vitamin D For Dummies Cheat Sheet

New information about vitamin D’s role in health is being published almost daily. Here are the key functions of vitamin D, divided into those that are firmly established, those for which there is growing evidence, and those that are proposed but not yet confirmed.

It’s firmly established that vitamin D

  • Facilitates absorption of calcium from your diet; essential for normal healthy bones

  • Prevents osteoporosis, osteomalacia, and rickets

There is growing evidence that vitamin D may

  • Contribute to a normal healthy immune system

  • Prevent autoimmune diseases

  • Protect the body from cancer, especially breast, colorectal, and prostate cancers

Vitamin D is showing promise that it may

  • Protect the heart from heart attacks and heart failure

  • Prevent both type 1 and type 2 diabetes

  • Prevent asthma

  • Prevent Alzheimer’s disease

  • Prevent Parkinson’s disease