Licorice Root

glycyrrhiza glabra

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Main active constituents

Glycosides called glycyrrhizin (about 7%) and glycyrrhizinic acid, triterpenoid glycosides (saponins), flavonoids (including liquiritigetol) and isoflavonoids, bitter principle (glycyrmarin), volatile oil, chalcones, coumarins, amino acids, amines (choline, betaine, asparagine), oestrogenic substances (including beta-sitosterol), glucose and sucrose (5-15% sugars), starch, tannins (trace), gums, wax.

Physiological Effects

Parts Used: Roots

Traditional Use and Health Benefits

Licorice Root boasts a medicinal history going back thousands of years, with reports of it being consumed for its health benefits by the likes of Caesar, Alexander the Great and the Pharaohs of Ancient Egypt.

To the Egyptians Licorice was a “cure-all”, although it was used throughout the ancient world for a variety of maladies. The herbal physician Dioscorides who travelled with the army of Alexander the Great gave it to the troops to give them stamina and endurance. It was also widely used as a digestive aid, to provide respiratory relief and to strengthen the liver and kidneys.

Liquorice Benefits

Digestion Licorice root is a natural antacid that helps to relieve heartburn, indigestion, gastric and stomach ulcers, acid reflux and symptoms of GERD (Gastroesophageal Reflux Disease). It works by coating the digestive tract with mucous, protecting the stomach lining whilst speeding up its repair and restoring balance.

One of the major components of Licorice is “glycyrrhizic acid”, a powerful anti-inflammatory that has been found to suppress the growth of the toxic bacteria “H pylori” – a nasty little bug that can lead to a whole host of stomach problems.

Due to its diuretic and mildly laxative effects, this root can also reduce stomach bloating, water retention and constipation.

Respiratory Health Firstly, Licorice can increase the production of healthy mucous within the bronchial system. Whilst this may appear counterintuitive to a cough or a cold, the production of healthy phlegm actually keeps the respiratory system functioning well and prevents the old, sticky mucous from clogging up the respiratory tracts.

Secondly this root can fight off the viruses that cause respiratory illnesses as well as relaxing bronchial spasms.

Liver Health Licorice both protects the liver and promotes healing in this vital organ. The herb's anti-inflammatory properties help calm hepatitis-associated liver inflammation. Licorice also fights the virus commonly responsible for hepatitis and supplies valuable antioxidant compounds that help maintain the overall health of the liver.

Numerous studies have found that the active compound in Licorice can effectively block liver damage caused by alcohol and over the counter pain killers. The glycyrrhizin found in this root is a potent free radical scavenger, especially in the liver.

Adaptogen Research shows that Licorice is a powerful adaptogenic herb, able to help the body to manage the stress hormone “cortisol” more efficiently. It is very nourishing for burned out adrenals and is best used during times of chronic fatigue and tiredness that usually results in frequent illness.

Antidepressant Licorice is known to have 8 different anti-depressant compounds, known as MOA (monoamine oxidase) inhibitors. These inhibitors are capable of potent antidepressant activity and show significant improvement for all types of depression. The compound, "glycyrrhizin" breaks down cortisol, the stress hormone, enabling the body to deal with stress. It also contains "Isoflavone" and "Isoflavene", additional compounds that have been shown to have antidepressant properties.

Contraindications/Precautions

Rare side effects of Licorice may include:

  • High blood pressure, lethargy, muscle pain, cardiac arrhythmia, high sodium retention, low blood levels of potassium, reduced desire to have sex, decreased oil on your scalp, low blood platelet count.

  • Heavy licorice use can cause early pre-term births

Disclaimer

This information is intended only as a general reference for further exploration, and is not a replacement for professional health advice. This content does not provide dosage information, format recommendations, toxicity levels, or possible interactions with prescription drugs. Accordingly, this information should be used only under the direct supervision of a qualified health practitioner such as a naturopathic physician.

Additional Resources