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Endocrine & MetabolicMild
Vitamin B12 Deficiency
General Medicine · Endocrine & Metabolic
Mild
Severity
Common — a significant proportion of India's largely vegetarian population shows low or borderline B12 levels
Prevalence
No
Contagious
General Medicine
Specialist
Back to Vitamin B12 Deficiency's full page
🔬Causes & Risk Factors
- 1Most commonly caused by inadequate dietary intake in strict vegetarians and vegans
- 2since B12 occurs naturally only in animal-derived foods. Malabsorption due to conditions like pernicious anaemia
- 3gastric surgery
- 4or chronic use of medications such as metformin and proton pump inhibitors can also impair B12 absorption even with adequate intake. Ageing reduces stomach acid production
- 5which further impairs the body's ability to absorb B12 from food.
More About Vitamin B12 Deficiency
About the Vitamin B12 DeficiencyWarning Signs of Vitamin B12 DeficiencyCommon Symptoms of Vitamin B12 DeficiencyHow Doctors Diagnose Vitamin B12 DeficiencyTreatment Options for Vitamin B12 DeficiencyVitamin B12 Deficiency PreventionVitamin B12 Deficiency ProgressionVitamin B12 Deficiency Treatment CostFrequently Asked Questions About Vitamin B12 DeficiencyAsk a Question About Vitamin B12 DeficiencyConditions Related to Vitamin B12 Deficiency
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⚕️ Medical Disclaimer
This page is for informational purposes only and does not substitute professional medical advice. Always consult a qualified healthcare professional. In emergencies, call 112.