Vitamin B12 is not made by plants or animals, but by microbes that blanket the earth. In today’s sanitized, modern world, the water supply is commonly chlorinated to kill off any bacteria. So, while we don’t get much B12 in the water anymore, we don’t get much cholera, either, which is a good thing! A regular, reliable source is critical for anyone eating a plant-based diet. 

What does the latest research on B12 say? This infographic is a summary of the main takeaways and my updated recommendations.

For more details around these studies, get the B12 recommendations digital download, or watch the free videos on the NutritionFacts.org YouTube channel or on the website’s B12 topic page.

In health, 

Michael Greger, M.D. 

PS: If you haven’t yet, you can subscribe to my free videos here and watch my live presentations: 

• 2019: Evidence-Based Weight Loss 
• 2016: How Not To Die: The Role of Diet in Preventing, Arresting, and Reversing Our Top 15 Killers 
• 2015: Food as Medicine: Preventing and Treating the Most Dreaded Diseases with Diet 
• 2014: From Table to Able: Combating Disabling Diseases with Food 
• 2013: More Than an Apple a Day 
• 2012: Uprooting the Leading Causes of Death 

from NutritionFacts.org https://nutritionfacts.org/2021/10/05/updated-vitamin-b12-recommendations-infographic/
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