Vitamin B12: Fact Sheet for Health Professionals

NIH Office of Dietary Supplements National Institutes of Health, 2024

The NIH reference on B12: requirements, sources, deficiency symptoms, and supplementation. The practical basis for the rule that every vegan should supplement B12.

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We link to the publisher's page. Some journals show the abstract free and charge for full text; the abstract usually covers the findings cited here.

Where UVegan cites this source

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