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A member asked:

If you take b12 shots & have a deficiency can it cause hair to thin? i hav pernicious anemia. l get my shot every 30 days & take vitamin d pills daily

A doctor has provided 1 answer

You may need: Folate (folic acid) as well. Folate (folic acid) and B12 work together.

Answered 9/29/2016

4.5k views

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