Multiple choice

Cod liver oil is a source of

  1. vitamin B

  2. Vitamic C

  3. Vitamin A

  4. Iodine

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cod liver oil is naturally rich in vitamin A (retinol) and vitamin D. It has been used historically to prevent vitamin deficiencies. The oil is extracted from cod livers and is one of the few natural sources that provides significant amounts of both fat-soluble vitamins.