General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Vitamin B12: Needed for nerves, red blood cells and DNA. Food sources include meat, fish, eggs, milk, dahi; not found in plant foods unless fortified.
What does vitamin b12 do?
Needed for nerves, red blood cells and DNA.
Which foods have vitamin b12?
Meat, fish, eggs, milk, dahi; not found in plant foods unless fortified.
What are the signs of low vitamin b12?
Tiredness, anaemia, numbness, memory problems; more common in vegetarians, older people and with long-term metformin or acid-reducing medicines.
Can I take too much vitamin b12?
Very safe from food; supplements rarely cause problems.
SI summary (own words); NIH Office of Dietary Supplements fact sheets as reference