An injectable form of licorice extractextractto get, separate, or isolate a desired active ingredient – not available in the United States – has been shown to have beneficial effects against hepatitis C in clinical trials. There are no reliable data on oral forms of licorice for hepatitis C. More research is needed before reaching any conclusion.
There are not enough reliable data to determine whether licorice is effective for any condition.
In large amounts, licorice containing glycyrrhizin can cause high blood pressure, salt and water retention, and low potassium levels, which could lead to heart problems. DGL products are thought to cause fewer side effects. Avoid licorice if you have low potassium levels, high blood pressure, or a heart or kidney disorder or disease.
The safety of using licorice as a supplement for more than 4 to 6 weeks has not been thoroughly studied. Consult your physician if you plan on using licorice for longer.
Taking licorice together with diureticdiuretican agent that increases urine flows (water pills), corticosteroids, or other medicines that reduce the body's potassium levels could cause dangerously low potassium levels and should be avoided. You should also not use licorice if you are taking cardiaccardiacrelating to the heart glycosides (e.g., digoxin).
When taken in large amounts, licorice can affect the body's levels of a hormone called cortisol and related steroid drugs, such as prednisone.
Pregnant women should avoid using licorice as a supplement or consuming large amounts of licorice as food, as some research suggests it could increase the risk of preterm labor.
You should consult your physician if you have a liver disorder.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.