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Controversies about Vitamin B12 and Vegan Diets

This webinar covers B12's interesting history, complicated absorption mechanisms, and controversies about its supplemental forms, whether it can be obtained from any plant foods, and how much is too much.

Member Price $24.00

Nonmember Price $54.00

DPG/MIG Price $0.00


This product is free for VN members.

This webinar was presented live on November 17, 2021.

Vitamin B12 is normally obtained from animal foods and presents some challenges to vegan nutrition. This presentation will review the strength of the research to date regarding Vitamin B12 and Vegan Diets. It will be discussed how Vegan Health provides a minimum and upper recommendation to meet both through supplements and fortified foods. What the potential risks that the cyanide in large doses of cyanocobalamin can impose upon the general population as well as people with chronic kidney disease. As well as discuss which plant foods have shown promise for being a reliable source of vitamin B12.

CPE Level: 2

Learning Objectives

  1. Summarize the logic used by the IOM in setting the RDA and by the EFSA in setting their AI for vitamin B12.
  2. Explain the reasons why vitamin B12 levels can often be elevated in a wide range of diseases and why they can be associated with mortality.
  3. List what would be required for a plant food to be considered a reliable source of vitamin B12.


Jack Norris, RD

Jack Norris is a Vegan Registered Dietitian, Co-Founder, and Executive Director of Vegan Outreach. Jack co-authored the book, Vegan for Life, and has been elected to the Animal Rights Hall of Fame. Jack writes a nutrition blog at and maintains

Release Date: November 17, 2021


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