Vitamins are organic molecules that the body needs in small quantities for proper metabolism and to grow and develop normally. There are 13 essential vitamins the body needs, including vitamins A, E, K, D, B1, B2, and B3. Each vitamin has an important function like vision, blood clotting, bone health, and metabolism of carbohydrates, proteins and fats. Deficiency of vitamins can lead to diseases, with vitamin A deficiency causing night blindness and vitamin D deficiency causing rickets. Good food sources of vitamins include fish, liver, eggs, green leafy vegetables, nuts, cereals and pulses.

1. Vitamins
Vitamins are substances that your body needs to
grow and develop normally. There are
13 vitamins your body needs.
vitamin is an organic molecule that is an
essential micronutrient which an organism needs
in small quantities for the proper functioning of
its metabolism.

3. VITAMIN A
• Chemical name –retinol
• Functions-Essential for vision .Helps in
production of retinol pigment(needed for
vision in dimlight)
• Defficiency syndrome-xerostomia
-Night blindness
• Sources of vitamin A-Fish, Liver, Ghee,Eggyolk,
Milk,Green leafy vegitables.

4. • Vitamin E
• Chemical name –TOCOPHEROL
• It is also known as beauty vitamin,antisterility
vitamin. It also have antioxidant property.
• Defficiency syndrome-Sterility
Sources of vitamin E-Vegitable oil,Egg yolk.

5. VITAMIN K
• Chemical name –Phylloquinone
• Functions-Helps in blood clotting
• Defficiency syndrome-Bleeding diasthesia.
• Sources of vitamin A-Fresh green vegitables
and fruits,liver ,meat.

6. • Vitamin D
• Chemical name -D2-Calciferol
D3-Cholecalciferol
• Defficiency syndrome-Rickets
-Osteomalacia
• Sources of vitamin D-Sun light. Fish liver oil,
Animal fat

7. • Vitamin B1
• Chemical name –THIAMINE
• Function: essential for utilisation of
carbohydrate in the body .maintainig good
appetite and digestion.
• Defficiency syndrome-Beri-beri(nervous system)
Sources of vitamin B1-yeast ,Unmilled cereals and
pulses,nuts.

8. • Vitamin B2
• Chemical name –RIBOFLAVIN it is a yellow
coloured compound .Destroyed on exposure
to light.
• Function:metabolism of protein, fat ,
carbohydrate.
• Defficiency syndrome-
Angular stomatis.
Sources of vitamin B2-milk and milk
product,growing leafy vegitables .

9. • Vitamin B3
• Chemical name –Niacine
• Function: Essential for normal function of
skin,intestinal tract and nervous system.
• Defficiency syndrome-PELLEGRA ( deficiency
disease caused by a lack of nicotinic acid . It is
characterized by 3Ds that is dermatitis,
diarrhoea, and dementia( mental disturbance).
Sources of vitamin B3-Liver, Ground
nuts,meat,cereals,pulses.