Biotin

ExRx.net > Nutrition > Micronutrients > Vitamin

Functions

  • Coenzyme in synthesis of fatty acids and glycogen
  • Amino acid metabolism

Deficiency

  • Dermatitis
    • skin inflammation

Characteristics

  • water soluble

Good Sources

Natural

  • egg yolk
  • milk and dairy products
  • liver, kidneys
  • vegetables and fruits
    • dark green vegetables
    • bananas, grapefruits, watermelon and strawberries

Food Quantity mcg
Noodles, cooked enriched 1 cup 4
Egg 1 large 11
Almonds 1 oz 24

Artificial

  • yeast extracts

Adequate Intakes (AI)

  • Males and Female (Adult)
    • 30 mcg
    • Sufficient data to set RDA are unavailable

Tolerable Upper Intake Levels (UL)

  • Adults (19 to 50 years)
    • not yet determined

Intakes above UL may lead to negative health consequences.

Supplementation

  • Not recommended.


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