Vitamin B12 deficiency

Vitamins connected to Vitamin B12 deficiency

A link means the body needs the nutrient for this, or that low intake is linked to it. It does not mean extra supplements help if your intake is already adequate; each link shows how strong the evidence is.

• Vitamin B12Deficiency link

  The deficiency itself causes anaemia and nerve problems and needs diagnosis and treatment by a clinician.

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