Aoife Hearne: What is the best source of calcium for a lactose-intolerant child? 

"When we eat lactose our body uses an enzyme called lactase to break apart this two-sugar molecule and make it easier to digest. For some, the body does not produce enough of this all-important enzyme, which leads to pain, discomfort and bloating when they eat lactose-rich food."

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My five-year-old daughter gets tummy cramps whenever she eats dairy. What’s the best source of calcium for children who may be lactose intolerant?

Before excluding any food from her diet, you need to talk to your GP to establish if there is an underlying cause of your daughter’s stomach cramps.