Vitamin is defined as a natural substance that is usually found in foods and that helps your body to be healthy.
Vitamins allow your body to grow and develop. They also play important roles in bodily functions such as metabolism, immunity and digestion. There are 13 essential vitamins, including vitamins A, C, D, E, and K and B vitamins.
There are two types of vitamins: fat-soluble and water-soluble. Fat-soluble vitamins are stored in your fat cells, consequently requiring fat in order to be absorbed. Water-soluble vitamins are not stored in your body; therefore, they need to be replenished daily. Your body takes what it needs from the food you eat and then excretes what is not needed as waste.
The fat soluble vitamins are :-
Vitamin A – comes from orange colored fruits and vegetables; dark leafy greens, like kale
Vitamin D – can be found in fortified milk and dairy products; cereals; (and of course sunshine!)
Vitamin E – is found in fortified cereals, leafy green vegetables, seeds, and nuts
Vitamin K – can be found in dark green leafy vegetables and turnip/beet greens
The water soluble vitamins are:-
Vitamin B1 – come from whole grains, enriched grains; liver; nuts, and seeds
Vitamin B2 – comes from whole grains, enriched grains, and dairy products
Vitamin B3 – comes from meat, fish, poultry, and whole grains
Vitamin B5 – comes from meat, poultry, and whole grains
Vitamin B6 – comes from fortified cereals and soy products
Vitamin B7 – is found in fruits and meats
Vitamin B9 – comes from leafy vegetables
Vitamin B12 – comes from fish, poultry, meat, and dairy products
Vitamin C – comes from citrus fruits and juices, such as oranges and grapefruits; red, yellow and green peppers
Source:https://www.mockbank.com/bulletin/rrb-ntpc-exam-2016-science-made-simple-inf-3-biology/
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