Vitamin D Day

November 2. Every year. It's Vitamin D Day. The hormone precursor is finally getting attention. And it needs it.

NIH Office of Dietary Supplements

NIH Office of Dietary Supplements - Health info, guideline leadership

Academy of Nutrition and Dietetics

Academy of Nutrition and Dietetics - Professional education, advocacy

Linus Pauling Institute

Linus Pauling Institute (Oregon State Univ.) - Academic/Research - Micronutrient and vitamin D research

American Association of Clinical Endocrinology

Clinical research, policy

Endocrine Society

Medical guidelines, policy

Vitamin D & Me!®

* CRN Foundation: Educational and outreach campaign, Council for Responsible Nutrition Foundation

GrassrootsHealth

Public health research, advocacy, and the world’s largest vitamin D intervention trial