This cloudy-looking liquid, called milk of magnesia, is also a key ingredient in this colorful science activity. Tear two whole cabbage leaves into small pieces (0.5 inch/1 cm each), enough for about ...

Milk of magnesia is used to treat heartburn and constipation. It is a common over-the-counter (OTC) medication. Milk of magnesia, used as a laxative and antacid, brings rapid relief of symptoms.