health guides
liquorice
© Steven FosterParts Used & Where Grown
Originally from central Europe, liquorice now grows all across Europe and Asia. The root is used medicinally.
- Reliable and relatively consistent scientific data showing a substantial health benefit.
- Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
- For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.
Our proprietary “Star-Rating” system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.
For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.
This supplement has been used in connection with the following health conditions:
| Used for | Amount | Why |
|---|---|---|
Peptic Ulcer | 250 to 500 mg chewable DGL before meals and bedtime |  [3 stars] liquorice root has a long history of use for soothing inflamed and injured mucous membranes in the digestive tract. Flavonoids in liquorice may also inhibit growth of H. pylori. |
Canker Sores | Mix 200 mg DGL in 200 ml in warm water and swish in mouth a few minutes, four times per day | as DG Licorice [2 stars] Deglycyrrhizinated liquorice (DGL) and warm water applied to the inside of the mouth may speed the healing of mouth ulcers. Chewable DGL tablets may have the same effect. |
Colic (Chamomile, Fennel, Lemon Balm, Vervain) | 1/2 cup (118 ml) of tea up to three times daily | [2 stars] A soothing tea made from chamomile, vervain, liquorice, fennel, and lemon balm has been shown to relieve colic more effectively than placebo. |
Common Cold and Sore Throat (Elm Bark, Marshmallow) | 5 to 8 ounces of tea, four to six times per day, for two to seven days | [2 stars] In one study, Throat Coat tea was effective in providing rapid, temporary relief of sore throat pain in people with acute pharyngitis. |
Epilepsy (Asian Ginseng, Bupleurum, Cassia Bark, Chinese Scullcap, Ginger, Jujube, Peony, Pinellia) | 2.5 grams a day of sho-saiko-to or saiko-keishi-to in tea or capsules | [2 stars] The Chinese herb bupleurum is included in two herbal formulas, sho-saiko-to and saiko-keishi-to. Both have been shown to be helpful for epilepsy. |
Gastro-Oesophageal Reflux Disease | Chew 250 to 500 mg DGL daily before meals and bedtime | [2 stars] Chewing deglycyrrhizinated liquorice may help mucous membranes heal. |
Hepatitis | Take under medical supervision: 2.5 grams liquorice three times per day providing 750 mg glycyrrhizin | as Licorice Intravenous[2 stars] One of the active constituents in liquorice, glycyrrhizin, has been used to some benefit in Japan as an injected therapy for hepatitis B and C. |
Hepatitis (Asian Ginseng, Bupleurum, Cassia Bark, Chinese Scullcap, Ginger, Jujube, Peony, Pinellia) | Take 2.5 grams of sho-saiko-to three times per day | [2 stars] Trials have shown that the bupleurum-containing formula sho-saiko-to can help reduce symptoms and blood liver enzyme levels in people with chronic active viral hepatitis. |
HIV and AIDS Support | Refer to label instructions | [2 stars] liquorice inhibits HIV reproduction in test tubes, supplementing with it may be safe and effective for long-term treatment of HIV infection. |
Liver Cirrhosis (Asian Ginseng, Bupleurum, Cassia Bark, Chinese Scullcap, Ginger, Jujube, Peony, Pinellia) | 2.5 grams of the Chinese herbal formula sho-saiko-to three times daily | [2 stars] The Chinese herb bupleurum is a component of the formula sho-saiko-to, which was shown in one preliminary trial to liver cancer risk in people with liver cirrhosis. |
Asthma | Refer to label instructions |  [1 star] liquorice, which has a soothing effect on bronchioles, has traditionally been used for asthma. |
Chronic Fatigue Syndrome | Refer to label instructions | [1 star] A case report described a man with CFS whose symptoms improved after taking 2.5 grams of liquorice root daily. |
Cold Sores | Refer to label instructions | as Licorice Topical[1 star] liquorice in the form of a cream or gel may be applied directly to cold sores in order to speed healing and reduce pain. |
Cough | Refer to label instructions | [1 star] liquorice has a long history of use for relieving coughs. |
Crohn’s Disease | Refer to label instructions | [1 star] liquorice is an anti-inflammatory herb historically recommended by doctors for people with Crohn’s disease. |
Eczema | Refer to label instructions | [1 star] liquorice may help eczema through its anti-inflammatory effects and its ability to affect the immune system. |
Gastritis | Refer to label instructions | [1 star] liquorice root has been traditionally used to soothe stomach inflammation and injury. Its flavonoid constituents have been found to stall the growth of H. pylori in test tube studies. |
Genital Herpes | Refer to label instructions | [1 star] Liquorice root contains antiviral substances, and ointments containing related substances are effective in treating herpes infections. |
Hay Fever (Asiasarum Root, Cassia Bark, Ginger, Ma Huang, Peony, Pinellia, Schisandra) | Refer to label instructions | [1 star] The Japanese herbal formula known as sho-seiryu-to has been shown to reduce symptoms, such as sneezing, for people with hay fever. |
Hepatitis | 200 mg of crude extracts or 40 mg purified proteins three times per day | as Licorice Oral[1 star] One of the active constituents in liquorice, glycyrrhizin, may be helpful for people with acute and chronic viral hepatitis. |
HIV and AIDS Support (Asian Ginseng, Bupleurum, Cassia Bark, Chinese Scullcap, Ginger, Jujube, Peony, Pinellia) | Refer to label instructions | [1 star] The herbal formula sho-saiko-to has been shown to have beneficial immune effects on white blood cells in people infected with HIV. |
Indigestion, Heartburn, and Low Stomach Acidity | Refer to label instructions | [1 star] liquorice protects the mucous membranes lining the digestive tract by increasing the production of mucin, a compound that protects against the adverse effects of stomach acid and various harmful substances. |
Menopause | Refer to label instructions | [1 star] liquorice is a herb with weak oestrogen-like actions similar to soya. In one trial, a formula containing liquorice, burdock, dong quai, wild yam, and motherwort reduced menopause symptoms. |
Shingles and Postherpetic Neuralgia | Refer to label instructions | [1 star] liquorice has been used as a topical treatment for shingles and postherpetic neuralgia. |
Ulcerative Colitis | Refer to label instructions | [1 star] liquorice is an anti-inflammatory and soothing herb that may be effective in the treatment of ulcerative colitis. |
Traditional Use (May Not Be Supported by Scientific Studies)
liquorice has a long and highly varied record of uses. It was and remains one of the most important herbs in Traditional Chinese Medicine. Among its most consistent and important uses are as a demulcent (soothing, coating agent) in the digestive and urinary tracts, to help with coughs, to soothe sore throats, and as a flavouring. It has also been used in Traditional Chinese Medicine to treat conditions ranging from diabetes to tuberculosis.
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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2024.
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