Answer:
There is not enough lactase enzyme to break down lactose, it is not metabolise properly in individual with lactose.
Step-by-step explanation:
Lactose intolerant occur in individual whose intestine cannot produce enough lactase enzyme to breakdown lactose which is milk sugar. It occur when an individual take diary product.
Normally lactose need to be breakdown into glucose and galactose by lactase enzyme.
The symptoms of lactose intolerant include, Nausea, diahorea, bloating, flatulence, even vomiting.
It is advisable to take lactase supplement when taking diary product for those who normally have lactose intolerant which will help breakdown lactose into glucose and galactose which will be absorb by the blood stream.