Vitamin B7

Vitamin B7 was discovered by Vincent du Vigneaud and his colleagues. The chemical name of vitamin B7

is Biotin. It is formerly known as vitamin H or coenzyme R. It is a water soluble vitamin.

These are approximate values. Not exact values.

  • 18 years and above needed biotin 30 mcg per day.
  • Pregnant women needed  30 mcg per day.
  • breast feeding women needed 35 mcg per day.

Rich source of Vitamin B7

  • Raw egg yolk
  • Liver
  • Peanuts
  • leafy green vegetables
  • Meat
  • Wheat
  • Egg
  • Chocolate
  • Vegetable
  • Fruit
  • Yeast
  • Sweet potatoes
  • Nonfat milk
  • Yogurt
  • Peanuts
  • Almonds
  • soy protein

Uses (Functions) of Vitamin B7

  • Maintains Healthy Hair, Skin, and Nails
  • Boosts Metabolism
  • Tissue Maintenance
  • Controls Blood Sugar
  • Pregnancy and breastfeeding
  • Protects Brain Function and Fights Cognitive Decline

Vitamin B7 deficiency problems

  • Dry, scaly skin
  • Cracked lips
  • Swollen and painful tongue
  • behavioral problems
  • seizures
  • lack of coordination
  • learning disabilities
  • ataxia
  • paresis
  • hearing loss
  • optic atrophy
  • seborrhoeic dermatitis
  • reduced immune function
  • Hair loss
  • A scaly red rash around the eyes, nose, mouth, and genitals
  • Cracks in the corner of the mouth
  • Sore tongue that may be magenta in color
  • Dry eyes
  • Loss of appetite
  • Depression
  • Lethargy and fatigue
  • Hallucinations
  • Insomnia
  • Numbness and tingling in the hands and feet