vitamin

From Wiktionary

Pronunciation[change]

Noun[change]

Singular
vitamin

Plural
vitamins

Vitamins
  1. (countable) A vitamin is something that we need in our food to help us live, that is different from protein, carbohydrates, fat or minerals.
    The vitamins are named with the letters A, B, C, D, E and K.
    Eat good food with vitamins in it to stay healthy.