The safe dose of vitamin D supplements to get most of the population to the optimal level is 2,000 i.u. a day, but the elderly and overweight may need more. Subscribe to NutritionFacts.org for free and receive a free copy…

Subscribe to NutritionFacts.org for free and receive a free copy of Dr. Greger’s Evidence-Based Eating Guide: DESCRIPTION: Why the current vitamin D recommendations may be too low, other expert recommendations may be too high, and 2000 international units a day…

Subscribe to NutritionFacts.org’s free e-newsletter and receive a recipe from Dr. Greger’s brand-new cookbook, The How Not to Diet Cookbook: DESCRIPTION: The Institute of Medicine’s conservative position on vitamin D is understandable given the history of hyped vitamin supplements (vitamin…