#vitamin  any of a group of organic substances essential in small quantities to normal metabolism
  supertype:  #nutriment__nourishment__nutrition__sustenance__aliment__victuals  a source of materials to nourish the body
  substance of:  #multivitamin_pill
  subtype:  #fat-soluble_vitamin__fatsolublevitamin  any vitamin that is soluble in fats
     subtype:  #vitamin_A__antiophthalmic_factor__axerophthol__A  any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
        subtype:  #vitamin_A1__retinol  an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
        subtype:  #vitamin_A2__dehydroretinol  a viscous alcohol that is less active in mammals than is vitamin A1
     subtype:  #vitamin_D__vitamind__calciferol__viosterol__ergocalciferol__cholecarciferol__d  a fat-soluble vitamin that prevents rickets
     subtype:  #vitamin_E__tocopherol__E  a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
        subtype:  #alpha-tocopheral__alphatocopheral  a potent form of vitamin E obtained from germ oils or by synthesis
     subtype:  #vitamin_K__naphthoquinone__antihemorrhagic_factor__antihemorrhagicfactor  a fat-soluble vitamin that helps in the clotting of blood
        subtype:  #vitamin_K1__phylloquinone  a form of vitamin K
        subtype:  #vitamin_K3__menadione  a form of vitamin K
  subtype:  #water-soluble_vitamin__watersolublevitamin  any vitamin that is soluble in water
     subtype:  #B-complex_vitamin__B_complex__vitamin_B_complex__vitamin_B__B_vitamin__B  originally thought to be a single vitamin but now separated into several B vitamins
        subtype:  #choline  a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat
        subtype:  #inositol  an optically inactive alcohol that is a component of the vitamin B complex
        subtype:  #pantothenic_acid__pantothenicacid  a vitamin of the vitamin B complex that performs an important role in the oxidation of fats and carbohydrates and certain amino acids; occurs in many foods
        subtype:  #vitamin_B1__thiamine__thiamin__antiberiberi_factor__antiberiberifactor  a B vitamin that prevents beriberi; maintains appetite and growth
        subtype:  #vitamin_B12__cobalamin__antipernicious_anemia_factor  a B vitamin that is used to treat pernicious anemia
        subtype:  #vitamin_B2__vitamin_G__riboflavin__lactoflavin__ovoflavin__hepatoflavin  a B vitamin that prevents skin lesions and weight loss
        subtype:  #vitamin_B6__pyridoxine__pyridoxal__pyridoxamine__adermin  a B vitamin that is essential for metabolism of amino acids and starch
        subtype:  #vitamin_Bc__vitamin_M__folate__folic_acid__folicacid__pteroylglutamic_acid__pteroylglutamicacid__pteroylmonoglutamic_acid__pteroylmonoglutamicacid  a B vitamin that is essential for cell growth and reproduction
        subtype:  #niacin__nicotinic_acid__nicotinicacid  a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
        subtype:  #biotin__vitamin_H  a B vitamin that aids in body growth
     subtype:  #vitamin_P__bioflavinoid__citrin  a vitamin that maintains the resistance of cell and capillary walls to permeation
     subtype:  #vitamin_C__ascorbic_acid  a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy

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