Definitions of Sciences and Studies - Some important vitamins

Vitamin	Sources	Importance	Deficiency Desease
A	milk, butter, eggs, carrots, cod liver oil, tomatoes, green leafy vegetables	for normal growth; keeps the eyes and skin healthy	night blindness, which is the inability to see in dim light;  irregular growth of teeth.
B - Complex        B1	seafood, milk, meat, peas,cereals, green vegetables	for growth and development	beri - beri, which affects the nervous system
B2	yeast, eggs, meat, peas	for healthy skin; for growth	skin disease and retarded growth
B3   (Niacin)	whole cereals, potatoes, tomatoes, meat, fish	for healthy skin; for proper functioning of digestive & nervous system	pellagra; which affects the skin, digestive & nervous system
B12	liver, eggs, milk, fish	helps in the formation of red blood cells	kind of anaemia in which there is a deficiency of red blood cells
C	amla, tomatoes, green leafy vegetables, citrus fruits, water chestnut(singhara)	for healthy growth and strong blood vessels	scurvy, in which gums swell up and bleed; wounds take longer to heal
D	sunlight(helps our skin prepare vitamin D), milk, butter, green vegetables, cod-liver oil	helps to use calcium for formation of strong bones & teeth	rickets, in which the bones become soft & out of shape, affects children
K	green vegetables like spinach & cabbage, soyabean oil	helps in the clotting of blood	excessive bleeding from wounds