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
Vitamin soluble in water : Vitamin-B and Vitamin-C.
Vitamin soluble in fat : Vitamin-A, Vitamin-D, Vitamin-E and Vitamin-K.
The diseases caused by the deficiency of vitamins and their sources
| Vitamins | Deficiency diseases | Sources |
| Vitamin-A (Retinol) | Colour blindness,Xerophthalmia | Milk, Egg, Cheese, Green vegetable fish liver oil |
| Vitamin B1 (Thymine) | Beriberi | Ground nut, Ra Dried Chilli, Pubes liver, Fgg, Vegetables etc. |
| Vitamin-B2 (Riboflavin) | Cracking of skin, red-dish eye,cracking of tongue | Green vegetables,Meat,Milk etc |
| Vitamin-B3 (Pantothenic acid) | Whitening of hair,mentally retardness | Meat, Milk, Nut, Tomato,Leafy vegetables etc |
| Vitamin-B5 (Nicotinamide or Niacin) | Pellagra or 4-D Syndrome | Meat, Ground nut,Potato, Tomato, Leafy vegetables etc |
| Vitamin-B6 (Pyridoxine) | Anaemia, skin disease | Liver, Meat, Grains etc |
| Vitamin-B7 (Biotin) | Paralysis, body pain,hair falling | Meat, Egg, Liver, Milk etc. |
| Vitamin-B12 (Cynocobalamin) | Anaemia, jaundice,Teroile Glutemic | Meat, Milk etc |
| Folic acid | diarrhoea,Anaemia | Pulses, Liver, Vegetables, Eggs etc |