Vitamin B12 deficiency symptoms: Sign in your sleep that could be a warning – what is it

Vitamin B12 deficiency symptoms can develop if a person lacks the vitamin in their diet. Those most at risk of being deficient are vegans and vegetarians as the best source of the vitamin are found in foods of an animal origin. Certain medications can also affect a person’s ability to absorb vitamin B12 from foods. What are six of the main symptoms that indicate you are B12 deficient?
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