FDA says you can overdose on licorice
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There can be health issues from eating licorice in large quantities.
https://www.phillyvoice.com/black-licorice-overdose-death-health-effects/
Quote: << Glycyrrhizin has the distinct licorice flavor and is 50 times sweeter than sugar and has been used in other types of candy, soft drinks, tea, Belgian beers, throat lozenges and tobacco. This can make it challenging to keep track of how much glycyrrhizin has been consumed, and a combination of these products could trigger adverse effects.
Some people take dietary or health supplements that already contain licorice, which increases the risk of toxic effects from eating black licorice candy. Certain medications such as hydrochlorothiazide are diuretics that cause increased urination, which can lower potassium levels in the body. Glycyrrhizin also lowers potassium levels, further disrupting the balance of electrolytes, which can produce muscle cramps and irregular heart rhythms.
People with certain preexisting conditions are more susceptible to black licorice overdose.
For example, patients who already have low potassium levels (hypokalemia), high blood pressure or heart arrhythmia are likely to have greater sensitivity to the effects of excessive licorice. Those with liver or kidney deficiencies will also retain glycyrrhizin in their bloodstream for longer times, increasing their risk of experiencing its adverse effects.
What to do?
If you’re a fan of black licorice, there is no need to ban it from your pantry. Eaten in small quantities from time to time, licorice poses no significant threat to otherwise healthy adults and children. But it is advisable to monitor your intake.
With Halloween approaching, be sure to remind your kids that candy is a “sometimes food,” especially the black licorice. The FDA has issued warnings about the rare but serious effects of too much black licorice, advising that people avoid eating more than two ounces of black licorice a day for two weeks or longer. The agency states that if you have been eating a lot of black licorice and experience an irregular heart rhythm or muscle weakness, stop eating it immediately and contact your health care provider.
Some scientists have further cautioned against the routine use of licorice in the form of a dietary supplement or tea for its alleged health benefits, including the treatment of cough associated with COVID-19 or other respiratory infections. A review article from 2012 warned that “the daily consumption of licorice is never justified because its benefits are minor compared to the adverse outcomes of chronic consumption.” >>
