Michael Greger: Podcast: Everything You Wanted to Know About B12 (Part 1)
M Michael Greger Video Summary · May 7, 2026 View Full Protocol → Key Takeaways Supplement with B12 daily if you follow a plant-based diet to prevent deficiency symptoms ranging from neurological issues to life-threatening conditions. Test B12 status annually if vegan/vegetarian, but don’t rely solely on blood B12 levels—request MMA (methylmalonic acid) and homocysteine…
