Do Vitamin B12 Supplements Cause Bone Fractures and Lung Cancer? Dr. Michael Greger | Nutritionfacts.org

What do randomized controlled trials of high-dose daily vitamin B12 supplementation show about the effects on cancer risk, death, and longevity?

If you missed my previous video, check out Do Vitamin B12 Supplements Cause Acne?.

Watch my other B12 updates:

All of these videos can be found in one digital download: Latest Vitamin B12 Recommendations.

I’ve also explored vitamin B12’s role in stroke risk. See:

That series is also available for digital download: Why Do Vegetarians Have Higher Stroke Risk?.

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