Do Vitamin D Supplements Reduce the Risk of Dying from Cancer?

NutritionFacts .org
NutritionFacts .org
26 Feb 2020

Sun exposure is associated with lower rates of 15 different cancers and improved cancer survival. What happened when vitamin D supplements were put to the test?

Subscribe to Dr. Greger’s free nutrition newsletter at and get a free excerpt from his latest NYT Bestseller HOW NOT TO DIE. (All proceeds Dr. Greger receives from the sales of his books, DVDs, and speaking engagements go to support the 501c3 nonprofit that runs

What about just getting sun instead? Please check out my recent 6-part video series:
• Will You Live Longer if You Take Vitamin D Supplements? (
• Do Vitamin D Supplements Help with Diabetes, Weight Loss, and Blood Pressure (
• How Much Vitamin D Should You Take? (
• The Optimal Dose of Vitamin D Based on Natural Levels (
• The Best Way to Get Vitamin D: Sun, Supplements, or Salons? (
• The Risks and Benefits of Sensible Sun Exposure (

Better, of course, to prevent colon cancer in the first place. See, for example:
• Stool pH and Colon Cancer (
• Solving a Colon Cancer Mystery (
• Resistant Starch and Colon Cancer (

For more on that extraordinary story about Premarin and hormone replacement therapy, see How Did Doctors Not Know About the Risks of Hormone Therapy? (

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Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

Image Credit: mahnoorraja via flickr and ClkerFreeVectorImages and ClkerFreeVectorImages via Pixabay.
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