How to recognize a vitamin B12 deficiency

Symptoms of Vitamin B12 deficiency


The human body needs vitamin B12 to make red blood cells, nerves, DNA, and carry out other functions. The average adult should get 2.4 micrograms a day. Like most vitamins, B12 can’t be made by the body . Instead, it must be gotten from food or supplements.

Symptoms of a shortage may include:


lack of energy

pins and needs sensation

a sore and red tongue

muscle weakness


problems with memory, understanding and judgement

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