Lisa is a 19-year-old college student who recently began experiencing symptoms of lactose intolerance. She recognizes the importance of consuming adequate dietary calcium, but does not want to further aggravate her gastrointestinal system. Select all of the dietary practices that can help Lisa meet her calcium needs without aggravating her lactose intolerance symptoms:

Eat aged cheeses and yogurt.
Drink low-lactose or lactase-treated milk, such as Lactaid.
Drink milk on an empty stomach.
Drink calcium-fortified soy milk.
Take lactase pills before eating or drinking dairy foods.