Vitamin B6

Key notes

  • Vitamin B6 is a water-soluble vitamin.
  • Its active coenzyme form is pyridoxal-5′-phosphate (PLP).

  • It is important for:

    • Amino-acid metabolism.
    • Neurotransmitter synthesis.
    • Haemoglobin formation.
    • Glycogen metabolism.

  • Sources include:

    • Meat.
    • Fish.
    • Poultry.
    • Potatoes.
    • Bananas.
    • Fortified cereals.
    • Pulses.

  • Deficiency may cause:

    • Anaemia.
    • Dermatitis.
    • Neurological symptoms.
    • Seizures in severe cases.
  • Excessive supplementation over long periods can cause peripheral neuropathy.

  • Vitamin B6 is different from:

    • B1: thiamine.
    • B2: riboflavin.
    • B12: cobalamin.