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It’s one of the vitamins that the body cannot produce alone: vitamin B12.
Michael Nagin
What is vitamin B12and what is it for?
It also intervenes in the synthesis of dopamine and norepinephrine, which are hormones produced in stressful situations.
The deficiency manifests itself through a jot down of anemia, called pernicious anemia.
Plant foods are not a source of vitamin B12.
