first you need to be sure the licorice contains licorice. many candies widely sold (like twizzlers and black jelly beans) do not contain any real licorice. real black licorice taken from the licorice plant contains a substance that can affect blood pressure and cause liver toxicity and cardiovascular problems if taken in high amounts. real black licorice candy is best avoided in people with heart disease but licorice-flavored candies will not be a problem.
what drugs or medications can interact with black licorice candy?