Vitamin B2(ビタミンB2)

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Characteristics of nutrients

  • Water soluble vitamin
  • Called developmental vitamin
  • Resistant to acids and heat
  • Easily decomposed into strong light and alkali
  • The required amount of vitamin B2 increases in proportion to the intake of lipid

Function of nutrients

  • Nails, hair regeneration
  • Maintaining health of skin and mucous membranes
  • Promotes lipid metabolism
  • Harmful decomposition of lipid peroxides
  • Synthesis of growth hormone
  • antioxidant effect

When nutrients are deficient

  • Stomatitis, glossitis, rough skin
  • Trouble with hair
  • Eye trouble
  • Arteriosclerosis
  • Child will stop growing
  • Adults advance with aging

When nutrients overdose

  • No concern in normal life
  • Even if you ingest it excessively, it is excreted

Food that contains a lot of Vitamin B2

FoodstuffIngredient per 100g (mg)
pork smoked lever5.17
pork liver (raw)3.60
Beef liver (raw)3.00
Chicken liver (raw)1.80
Chicken heart (raw)1.10
Raw bracken1.09
Almond (roasted)1.04
Egg yolk0.82
Japanese sand lance0.81
Japanese eel (Kabayaki)0.74
Quail eggs (whole eggs)0.72
Natural cheese / parmesan0.68


  • Water soluble vitamin weak in water
  • Strong against acid and heat
  • It is easily decomposed into strong light and alkali
  • Vitamin B2 requirement increases in proportion to lipid intake
  • Vitamin B2 burns fat, so it is effective for diet and fatigue recovery
  • Keep the function of skin and mucous membrane normal
  • It can not be accumulated in the body, so it needs to be taken daily