How to Test for Functional Vitamin B12 Deficiency - a podcast by Michael Greger M.D. FACLM
from 2020-08-31T11:50:33
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Many doctors mistakenly rely on serum B12 levels in the blood to test for vitamin B12 deficiency.
Further episodes of NutritionFacts.org Video Podcast
Further podcasts by Michael Greger M.D. FACLM
Website of Michael Greger M.D. FACLM