Vitamin B12 is needed for red blood cell formation, nerve function and DNA synthesis. It is found naturally almost only in animal foods, so people following vegan diets typically rely on fortified foods or supplements.
Detailed form pages for Vitamin B12 are being researched.
Supplements effectively prevent and treat B12 deficiency, including in people with limited dietary intake. Some causes of deficiency require medical treatment rather than self-supplementation.[1]
Evidence labels summarize the overall body of published research for each topic; they are not a recommendation and do not mean a supplement is appropriate for you. Published research
Supplements often contain far more than the RDA (for example 250–1,000 mcg), partly because only a small fraction of large oral doses is absorbed.
[1]These describe what supplements commonly contain and published reference values — not a recommendation for you.
SuppScout hasn’t added vitamin b12 products yet.
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This page is educational and is not medical advice. Talk to a healthcare professional before starting a supplement, especially if you have a medical condition, take medications, or are pregnant or breastfeeding. Medical disclaimer.