Getting Vitamin D during the dead of winter

By John D Day MD
EnoughVitaminD

The noon-day sun is the number one source of our vitamin D. But in the dead of winter it's too cold to go outside, the sun is too low in the sky, and these inversions block out the sun's rays. As a heart rhythm specialist at the Intermountain Medical Center Heart Institute, here's why vitamin D matters, and how you can get it during the winter season.​​​​