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This makes it difficult for those adhering to vegan or vegetarian diets to get enough B12 from their food consumption

While B12 is typically found in animal-based foods such as meat, fish, eggs and dairy, some people may have trouble absorbing it - especially due to certain health conditions, medications or dietary choices like veganism

Stronger Immune System: B12 plays a role in the production of white blood cells

Washington (DC): National Academies Press (US)

Longer term though the damage will mean that the person is unable to use stores to regulate their B12 which can result in susceptibility to B12 deficiency

Organ meats, shellfish, fish, poultry, and dairy are rich sources