Experiments showing how much vitamin C our body absorbs and excretes can give us a sense of how many vitamin C rich fruits and vegetables we should be eating each 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:
https://nutritionfacts.org/subscribe/ Doctors can circumvent our body’s natural barriers to vitamin C overload by dripping high levels directly in the blood stream of cancer patients. Is this a good idea? See:
• Intravenous Vitamin C for Terminal Cancer Patients (
http://nutritionfacts.org/video/intravenous-vitamin-c-for-terminal-cancer-patients)
• Vitamin C Supplements for Terminal Cancer Patients (
http://nutritionfacts.org/video/vitamin-c-supplements-for-terminal-cancer-patients)
• The Role of Vitamin C in the Treatment of Terminal Cancer (
http://nutritionfacts.org/video/the-role-of-vitamin-C-in-the-treatment-of-terminal-cancer)
What about other common supplements? See, for example:
• Are Calcium Supplements Safe? (
http://nutritionfacts.org/video/are-calcium-supplements-safe)
• Are Calcium Supplements Effective? (
http://nutritionfacts.org/video/are-calcium-supplements-effective)
• The Best Way to Get Vitamin D: Sun, Supplements, or Salons? (
http://nutritionfacts.org/video/the-best-way-to-get-vitamin-d-sun-supplements-or-salons/)
• Iodine Supplements Before, During, and After Pregnancy (
http://nutritionfacts.org/video/iodine-supplements-before-during-and-after-pregnancy/)
• Is Fish Oil Just Snake Oil? (
http://nutritionfacts.org/video/is-fish-oil-just-snake-oil/)
Have a question about this video? Leave it in the comment section at
http://nutritionfacts.org/video/what-is-the-optimal-vitamin-c-intake and someone on the NutritionFacts.org team will try to answer it.
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http://nutritionfacts.org/video/what-is-the-optimal-vitamin-c-intake. You’ll also find a transcript of the video, my blog and speaking tour schedule, and an easy way to search (by translated language even) through our videos spanning more than 2,000 health topics.
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-Michael Greger, MD FACLM
Image Credit: Frank Lindecke via flickr. Image has been modified.
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