Vitamin B12

Vitamin B12 is a water-soluble essential vitamin

Also known as: Cyanocobalamin, cobalamin, methylcobalamin, 5-deoxyadenosylcobalamin, adenosylcobalamin, cobamamide, dibencozide, hydroxocobalamin

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ConsumerLabs

Wikipedia

pubMed

https://chriskresser.com/b12-deficiency/ (free ebook)

https://chriskresser.com/what-everyone-especially-vegetarians-should-know-about-b12-deficiency/

https://chriskresser.com/b12-deficiency-a-silent-epidemic-with-serious-consequences/

https://examine.com/faq/what-beneficial-compounds-are-primarily-found-in-animal-products/