WASHINGTON (ABC7) — Don’t be tricked if you have leftover treats from Halloween. The FDA is warning that too much of one particular candy, black licorice, can be dangerous, especially if you’re 40 or older.
The FDA warns that eating two ounces of black licorice each day for two weeks could cause an irregular heart rhythm or arrhythmia.
Too much glycyrrhizin, the sweetening compound that comes from licorice root, can cause a drop in the body’s potassium levels, potentially causing congestive heart failure, high blood pressure, edema, and lethargy.
In most cases, if you stop eating black licorice your potassium levels will go back to normal with no permanent health problems.
If you like black licorice, FDA is offering this advice: