Most licorice root grows in Greece, Turkey, and Asia. Anise oil is often used instead of licorice root to flavor licorice candy.
Centuries ago, licorice root was used in Greece, China, and Egypt for stomach inflammation and upper respiratory problems. Licorice root also has been used as a sweetener.
Today, people use licorice root as a dietary supplement for digestive problems, menopausal symptoms, cough, and bacterial and viral infections. People also use it as a shampoo.
Licorice is harvested from the plants’ roots and underground stems. Licorice supplements are available as capsules, tablets, and liquid extracts.
Licorice Root in Health Research
A number of studies of licorice root in people have been published, but not enough to support the use for any specific health condition.
Licorice Root Research Summary
Glycyrrhizin—a compound found in licorice root—has been tested in a few clinical trials in hepatitis C patients, but there’s currently not enough evidence to determine if it’s helpful. Laboratory studies done in Japan (where an injectable glycyrrhizin compound is used in people with chronic hepatitis C who do not respond to conventional treatment) suggest that glycyrrhizin may have some effect against hepatitis C.
There’s some evidence that topical licorice extract may improve skin rash symptoms, such as redness, swelling, and itching.
A Finnish study of mothers and their young children suggested that eating a lot of actual licorice root during pregnancy may harm a child’s developing brain, leading to reasoning and behavioral issues, such as attention problems, rule-breaking, and aggression.
Studies of licorice root extracts in people for cavities, mouth ulcers, and oral yeast infections have returned mixed results.
Licorice Root Safety
In large amounts and with long-term use, licorice root can cause high blood pressure and low potassium levels, which could lead to heart and muscle problems. Some side effects are thought to be due to a chemical called glycyrrhizic acid. Licorice that has had this chemical removed (called DGL for deglycyrrhizinated licorice) may not have the same degree of side effects.
Taking licorice root containing glycyrrhizinic acid with medications that reduce potassium levels such as diuretics might be bad for your heart.
Pregnant women should avoid using licorice root as a supplement or consuming large amounts of it as food.
Source: National Center for Biotechnology Information (NCBI)[Internet]. Bethesda (MD): National Library of Medicine (US), National Center for Biotechnology Information; [1988] – [cited 2018 Apr 5]. Available from: https://www.ncbi.nlm.nih.gov/
According to Rome IV, functional dyspepsia is diagnosed with the presence of dyspepsia in the absence of organic or metabolic causes. FD caused by several factors, such as impaired gastric accommodation and hypersensitivity to gastric distention. Several studies have reported the effectiveness of herbal medicine on FD. This article, thus, reviews Persian herbal medicine in FD.
A great deal of valuable experience has been accumulated in the traditional Chinese medicine (TCM) system for the treatment of "Xiaoke" disease which is known as diabetes mellitus now. As the most-commonly used Chinese herb, licorice has been used in TCM for more than two thousand years. It is often used in combination with other herbs to treat metabolic disorders, especially diabetes mellitus.
Cardiovascular complications are highly prevalent in patients with diabetes. Zhi-Gan-Cao-Tang (ZGCT), a famous traditional Chinese medicine (TCM) prescription, can be used for the treatment of diabetes with cardiovascular disease complications. ZGCT is composed of nine Chinese herbs: the radix and rhizoma of Glycyrrhiza uralensis Fisch. (Gancao in Chinese, 12 g), the radix of Rehmannia glutinosa Libosch. (Dihuang in Chinese, 50 g), the radix and rhizoma of Panax ginseng C. A. Mey. (Renshen in Chinese, 6 g), the radix of Ophiopogon japonicus (L. f.) Ker-Gawl. (Maidong in Chinese, 10 g), the fructus of Ziziphus jujuba Mill. (Dazao in Chinese, 18 g), the fructus of Cannabis sativa L. (Maren in Chinese, 10 g), Donkey-hide gelatine (Ejiao in Chinese, 6 g), the ramulus of Cinnamomum cassia Presl (Guizhi in Chinese, 9 g), and the fresh rhizoma of Zingiber officinale Rosc. (Shengjiang in Chinese, 9 g). Many of these Chinese herbs are also used in other systems of medicine (Japan, India, European, etc.). However, the effects and effective constituents of ZGCT against diabetic cardiovascular disease remain unclear.
In recent years, the efficacy of type 2 diabetes mellitus (T2DM) drugs in the treatment of Alzheimer's disease (AD) has attracted extensive interest owing to the close associations between the two diseases.
Traditional medicine (TM) has played a key role in the health care system of East Asian countries, including China, Japan and South Korea. This bibliometric study analyzes the recent research status of these three TMs, including traditional Chinese medicine (TCM), traditional Korean medicine (TKM), and Kampo medicine (KM).
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PubMed Articles About Glycyrrhiza glabra
Source: National Center for Biotechnology Information (NCBI)[Internet]. Bethesda (MD): National Library of Medicine (US), National Center for Biotechnology Information; [1988] – [cited 2018 Apr 5]. Available from: https://www.ncbi.nlm.nih.gov/
