
Nutrition Facts with Dr. Greger
Everything You Wanted to Know About B12 (Part 1)
Donnerstag, 7. Mai 2026
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Shownotes
Including the symptoms of vitamin B12 deficiency
This episode features audio from:
• How Long Does It Take to Become Vitamin B12-Deficient and What Are the Symptoms? (nutritionfacts.org/video/how-long-does-It-take…)
• The Best Way to Test for Vitamin B12 Deficiency (nutritionfacts.org/video/the-best-way-to-test-…)
• The Best Source of Vitamin B12: Supplements, Shots, or Fortified Foods? (nutritionfacts.org/video/the-best-source-of-vi…)
Visit the video pages for all sources and doctor’s notes related to this podcast.