B12

What is B12

B12 is a B vitamin!

Symptoms of deficiency

• Paraesthesia (pins and needles)
• Tiredness and fatigue
• Depression
• Sleep disturbances
• Symptoms of anaemia

Later stages

• Symptoms of cord degeneration
• Confusion (later stage)

Causes of deficiency

• Poor diet - especially vegans, since its found in eggs, meat and milk.
• Coeliac disease, or other absorption impairment conditions.
• Loss of intrinsic factor.
• Terminal ileum resection (since this is where most of the absoprtion happens).
• Taking the diabetes medication metformin.
• Parastitic infestation.