Vitamin is an organic entity, which is required by an animated organism to enhance the body development. A human body has to source vitamins from food as our body does not produce some types of vitamins or sometimes is incapable of producing them in required amount.
Name of the vitamin A
Deficiency disease Color blindness, hematopoietic, disorders in liver, poor immunity system and skin dryness and prominent rashes
Overdose disease There are certain negative results of consuming vitamin A in excess. Possible side effects are irritability, drowsiness, dizziness, delirium.
Food sources Carrots, beat greens, pumpkins, and collards. However Vitamin A is also available in cereals, milk and egg.