The Optimal Dose of Vitamin D Based on Natural Levels

NutritionFacts .org
NutritionFacts .org
14 Jul 2020

Why do some recommend thousands of units of supplemental vitamin D when the Institute of Medicine set the recommended daily intake at just 600 to 800 units?

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If one is going to make an evolutionary argument for what a “natural” vitamin D level may be, how about getting vitamin D in the way nature intended: sun instead of supplements? That’s the subject of my next video, The Best Way to Get Vitamin D: Sun, Supplements, or Salons? (

This is the fourth video of a six-part series on the latest in vitamin D science. If you missed the first three check out:
• Do Vitamin D Supplements Help with Diabetes, Weight Loss, and Blood Pressure (
• Will You Live Longer if You Take Vitamin D Supplements? (
• How Much Vitamin D Should You Take? (

After The Best Way to Get Vitamin D: Sun, Supplements, or Salons? ( I’m going to close out with The Risks and Benefits of Sensible Sun Exposure (

Have a question for Dr. Greger about this video? Leave it in the comment section at and he'll try to answer it!

Image Credit: skeeze via Pixabay.
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