These typically cost slightly more than equivalent products containing lactose.

Lactase tablets taken with any food containing lactose may also help.

This means they may not be able to eat dairy foods, which contain lactose.

Milk contains lactose, a natural sugar that's notorious for causing gas.

Dried whey, a very common food additive, contains more than 70% lactose.

Clarified butter, however, contains very little lactose and is safe for most lactose-intolerant people.

What are common prepared foods that contain milk or lactose?

Instead of eating or drinking dairy products by themselves, try having them with food that doesn't contain lactose.

Soy is a popular alternative to dairy products containing lactose.

During this test, you'll drink a beverage containing lactose.