Conditions such as atrophic gastritis (thinning of the stomach lining), Pernicious anemia (which makes it harder for your body to absorb Vitamin B12), Intestinal diseases such as crohns disease, celiac disease, bacterial growth and immune system disorders such as Graves disease or lupus can lead to Vitamin B12 deficiency in the body
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Shruti Tanwar, MBBS, MS (Obstetrics & Gynecology), aligned with WHO, NHS and FOGSI guidance Last updated: 20 July 2026 Medical Disclaimer: This article is for informational purposes only and is not a substitute for professional medical advice
doi:10.3390/molecules191119066 Vukojevic J, Milavi M, Perovi D, et al
