Causes of a Vitamin B12 Deficiency You've Never Come Across Before

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Vitamin B12 is essential to support the nervous system and brain. Discover the interesting causes of a vitamin B12 deficiency you may have never heard of before.

DATA:

https://www.scirp.org/journal/paperinformation.aspx?paperid=83362#:~:text=food%2Dvitamin%20B12.-,H.,a%20deficiency%20of%20vitamin%20B12.

https://pubmed.ncbi.nlm.nih.gov/10809040/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4177464/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4531091

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4465045/

https://gut.bmj.com/content/67/1/28

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4880159/