Vitamin B6 - Forms

Forms

Seven forms of this vitamin are known:

  • Pyridoxine (PN), the form that is most commonly given as vitamin B6 supplement
  • Pyridoxine 5'-phosphate (PNP)
  • Pyridoxal (PL)
  • Pyridoxal 5'-phosphate (PLP), the metabolically active form (sold as 'P-5-P' vitamin supplement)
  • Pyridoxamine (PM)
  • Pyridoxamine 5'-phosphate (PMP)
  • 4-Pyridoxic acid (PA), the catabolite which is excreted in the urine

All forms except PA can be interconverted.

Read more about this topic:  Vitamin B6

Famous quotes containing the word forms:

    “The blood weeps from my heart when I do shape,
    In forms imaginary, th’ unguided days
    And rotten times that you shall look upon
    When I am sleeping with my ancestors.”
    —William Shakespeare (1564–1616)

    “The very existence of society depends on the fact that every member of it tacitly admits he is not the exclusive possessor of himself, and that he admits the claim of the polity of which he forms a part, to act, to some extent, as his master.”
    —Thomas Henry Huxley (1825–95)

    “The village had institutionalized all human functions in forms of low intensity.... Participation was high and organization was low. This is the formula for stability.”
    —Marshall McLuhan (1911–1980)