Science, Static GK, Study Materials

Vitamin Sources and Diseases caused by the deficiency


Vitamin Sources and Diseases caused by the deficiency

Vitamins– vitamins was invented by Sir F.G. Hopkins. The term vitamin was coined by Funk.

Vitamins are organic compound required in minute quantities. No calorie is obtained from it, but it is very important in regulating chemical reactions in metabolism of the body.

On the basis of solubility, vitamins are of two types:

  1. Vitamin soluble in water– vitamin-B and vitamin –C
  2. Vitamin soluble in fat – Vitamin-A, Vitamin-D, Vitamin-E and Vitamin-K

Here list of the diseases caused by the deficiency of vitamins and their sources:

Vitamin Chemical Name Deficiency Disease Sources
Vitamin A Retinol, Carotenoids, Beta carotene. Night Blindness,
Xerosis Conjunctiva,
Xerosis Cornea,
Bitot’s Spots
Milk, Egg, Cheese, Green Vegetable, Fish Liver Oil etc.
Vitamin B1 Thymine Beriberi Green Vegetables, Ground Nut, Seed, Liver, Pulses, Egg etc.
Vitamin B2 Riboflavin Cracking of Skin,
Red-dish Eye,
Green Vegetables, Milk, Meat etc.
Vitamin B3 Niacin Whitening of Hair Sugarcane, Milk, Meat, Nut, Tomato etc.
Vitamin B5 Pantothenic Acid Pellegra Ground Nut, Potato, Tomato, Leafy Vegetables, Meat etc.
Vitamin B6 Pyridoxine Anemia

Skin Disease

Grains, Liver, Meat etc
Vitamin B7 Biotin Paralysis,

Hair Falling

Milk, Egg, Liver, Meat etc.
Vitamin B9 Folic Acid (Folate) Anemia Vegetables, Pulses, Liver, Egg etc.
Vitamin B12 Cynocobalamin Anemia, Jaundice Milk, Meat etc.
Vitamin C Ascorbic Acid Scurvy Orange, Lemon, Tomato, Chilly ect.
Vitamin D Calciferol Rickets (in Children)

Osteomalacia (in Adults)

Fish Liver Oil, Milk, Egg
Vitamin E Tocopherol Less Fertility Leafy Vegetables, Milk, Butter, Vegetable Oil, Sprouted Wheat etc.
Vitamin K Phylloquinone Non-clotting of Blood Green Vegetable, Tomato, Soybean Oil etc.


  • Cobalt is found in Vitamin-B
  • Synthesis of Vitamins cannot be done by the cells and it s fulfilled by the Vitamin foods.
  • However, synthesis of Vitamin –D and K takes place in our body.
  • Synthesis of Vitamin-D takes place by the ultra violet rays present in the sunlight through cholesterol (Ergosterol) of skin.
  • Vitamin –K is synthesized in our colon by bacteria and from there it is absorbed.

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