There were no changes to their iron intake through food or supplements during that time, suggesting the importance of riboflavin in iron absorption
Neurological symptoms are particularly characteristic and may include: Paraesthesia (pins and needles) in the hands and feet Numbness or altered sensation in the extremities Difficulty with balance and coordination, often due to spinal cord involvement (subacute combined degeneration) Memory problems and cognitive impairment Mood changes, including depression and irritability Visual disturbances (rare and usually in advanced deficiency) Haematological manifestations commonly present as symptoms of anaemia: Persistent fatigue and weakness Breathlessness, particularly on exertion Palpitations or rapid heartbeat Pale or jaundiced (yellowish) skin Glossitis (sore, red tongue) Mouth ulcers Additional signs may include: Unexplained weight loss Diarrhoea or constipation Loss of appetite Muscle weakness The severity and combination of symptoms vary considerably between individuals
Do I need a blood test before starting B12 injections
Food sources of vitamin B12 include beef, dairy, poultry, and fish
But if you are deficient, correcting that deficiency can restore the energy and metabolic function that low B12 drains, and that can make weight loss easier
