What are vitamins? Write various kinds of vitamins

People require trace amounts of organic substances called vitamins. The body either does not make vitamins or generates very little of them. Therefore, the majority of our vitamins must come from the diet.To read more about the blog click the link below.
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What are vitamins? Write various kinds of vitamins.

People require trace amounts of organic substances called vitamins. The body either does not make vitamins or generates very little of them....