Vitamin B12, also known as cobalamin, is a vital nutrient that plays a key role in nerve function, red blood cell production, and DNA synthesis. It’s essential for maintaining healthy nerve cells and is crucial in the formation of DNA and RNA.

High Vitamin B12 Levels: While not commonly a concern, abnormally high levels can be associated with certain medical conditions, including liver disease, kidney failure, or certain types of leukaemia.

Low Vitamin B12 Levels: Indicate a deficiency, which can lead to serious health issues, such as pernicious anaemia, neurological problems, and cognitive impairments. Causes of B12 deficiency include inadequate dietary intake (common in vegetarians and vegans), malabsorption disorders, certain medications, and intrinsic factor deficiency.

Vitamin B12

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