Comparison between Hormones and vitamins

Hormones and vitamins: Major differences

1.      Synthesized in endocrine glands and some by neurosecretory cells.
Taken along with food from outside.
2.      These are steroids or proteinous or amino acid derivatives.
Simple organic compounds like amines, esters, organic acids etc.
3.      These are excitatory or inhibitory in action. They never act as coenzymes.
These are generally acts as coenzymes or constituents of coenzymes for enzyme action.
4.      Hormones directly influence gene expressions.
Vitamins have catalytic action.
5.      Their deficiency and overproduction cause metabolic disorders
Their deficiency (avitaminosis) causes specific deficiency diseases.

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