Definition of Vitamin - What is Vitamin?

What is Vitamin?


	One of a group of organic substances, present in minute amounts in natural foodstuffs, that are essential to normal metabolism; insufficient amounts in the diet may cause deficiency diseases.

A - B - C - D - E - F - G - H - I - K - L - M - N - O - P - R - S - T - U - V - W - X - Y - Z - Main Page