The Optimal Vitamin B12 Dosage for Adults

Why the current Recommended Daily Allowance for vitamin B12 may be insufficient, and what the optimal dosage is. New subscribers to our e-newsletter always receive a free gift. Get yours here: https://nutritionfacts.org/subscribe/ This is the second in a 5-video series on B12. Stay tuned for: • Healthiest Food Sources of Vitamin B12 (http://nutritionfacts.org/video/healt...) • The Optimal Vitamin B12 Dosage for Kids, Pregnancy, and Seniors (http://nutritionfacts.org/video/the-o...) • The Best Type of Vitamin B12: Cyanocobalamin or Methylcobalamin? (http://nutritionfacts.org/video/the-b...) If you missed the first video, check out The Symptoms of Vitamin B21 Deficiency (http://nutritionfacts.org/video/the-s.... You can find all of these videos in a digital download here (https://drgreger.org/collections/down..., along with two additional videos that will be coming out in a few months. My new recommendations are updated on my Optimum Nutrition Recommendations (https://nutritionfacts.org/2011/09/12...) page. Have a question about this video? Leave it in the comment section at http://nutritionfacts.org/video/the-o... and someone on the NutritionFacts.org team will try to answer it. Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at https://nutritionfacts.org/video/the-.... You’ll also find a transcript and acknowledgements for 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. If you’d rather watch these videos on YouTube, subscribe to my YouTube Channel here: https://www.youtube.com/subscription_... Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution! -Michael Greger, MD FACLM Captions for this video are available in several languages; you can find yours in the video settings. View important information about our translated resources: https://nutritionfacts.org/translatio... https://NutritionFacts.org • Subscribe: https://nutritionfacts.org/subscribe • Donate: https://nutritionfacts.org/donate • Podcast : https://nutritionfacts.org/audio • Facebook: www.facebook.com/NutritionFacts.org • Twitter: www.twitter.com/nutrition_facts • Instagram: www.instagram.com/nutrition_facts_org • Books: https://nutritionfacts.org/books • Shop: https://drgreger.org