Aoife Hearne: Do I need to give my children a supplement? 

Eating a wide variety of foods that provide vitamins and minerals is key to maintaining a high-functioning immune system

Food first is always the preferred approach.

Aoife Hearn

REGISTERED DIETICIAN

I’ve two children aged three and six. They both tend to get colds at this time of year. I am thinking of giving them a supplement with vitamin D. Would this help, or should I focus on their diet?