Cod liver oil is

Cod and shark liver oil is a source of

Cod and shark liver oil is a source of (a) Constructive nutrients (b) Protective nutrients (c) Protective and constructive (d) energetic nutrients

Cod and shark liver oil is a source of (a) Constructive nutrients (b) Protective nutrients (c) Protective and constructive (d) energetic nutrients

Fish liver oil is rich in vitamins........

Which of the following is present in cod liver oil ?