Licorice information is it good or bad for you? Does Licorice help ADHD? My quest to know.

Yesterday someone told me that they prescribed licorice root for ADHD. Now I have never heard of this and I told her so. But she claims that licorice is relaxing and the use of it in the form of licorice root capsules or licorice root tea helped those with ADHD concentrate. So I am on a mission to see if I can find documentation on this anywhere or to debunk it. Why? I love licorice but I don't want it maligned with false claims. However if this is true then that is really good news!

I did find this page that talks about ADHD symptoms being cause by hypoglycemic crashes and using licorice as a natural sweetener.

In this post is a translated from Dutch Q&A from the website about salty licorice and blood pressure. I post this because it corroborates what I have always said about salty licorice and blood pressure. It is NOT sodium Chloride it is Ammonium Chloride therefore it does NOT raise your blood pressure from the salt flavoring. However to much glycyrrhizin over 200g per day for long stretches of time can effect your blood pressure. That is allot of licorice!

Here is the translation

The most frequently asked questions about drop.

Can eating drop in blood pressure increase?

Many people think that the salt used in the drop in blood pressure increases. However, this is
not the case. In drop is not made use of sodium chloride (salt) what can increase blood pressure, but of Ammonium chloride (E510), also known as the blood pressure increases. However, this is salmiakzout said. Ammonium chloride is a kind of salt that is derived from hydrochloric acid and ammonia and as a highly concentrated flavor is used.

However, eating too much blood pressure drop effect, how can that be?
In the block drop, as the main ingredient in licorice is used, the substance Glycyrrhizin
for. This is a natural flavor that fifty times sweeter than sugar. Glycyrrhizin is a substance that automatically aborted by the body and excreted. Only by daily
Consumption of large amounts of licorice given the difficulty in the body break down and
Glycyrrhizin excrete the substance and can work in raising blood pressure. Assuming
A drop in average glycyrrhizinegehalte than can be about 200 grams per day drop without consume an increased risk to get blood pressure.


Still, it is not scientifically proved that drop is addictive. There are no components present in that drop may have an addictive effect. The term licorice addiction is often abused by excessive users to drop their unbridled lust candy to mask.

© Steven Foster
This fact sheet provides basic information about licorice root—common names, uses, potential side effects, and resources for more information. Most licorice is grown in Greece, Turkey, and Asia. Licorice contains a compound called glycyrrhizin (or glycyrrhizic acid). Licorice has a long history of medicinal use in both Eastern and Western systems of medicine.
Common Names—licorice root, licorice, liquorice, sweet root, gan zao (Chinese licorice)
Latin Name—Glycyrrhiza glabra, Glycyrrhiza uralensis (Chinese licorice)

What It Is Used For

Licorice root has been used as a dietary supplement product that contains vitamins, minerals, herbs or other botanicals, amino acids, enzymes, and/or other ingredients intended to supplement the diet. The U.S. Food and Drug Administration has special labeling requirements for dietary supplements. for stomach ulcers, bronchitis, and sore throat, as well as infections caused by viruses, such as hepatitis.

How It Is Used

Peeled licorice root is available in dried and powdered forms.
Licorice root is available as capsules, tablets, and liquid extracts.
Licorice can be found with glycyrrhizin removed; the product is called DGL (for "deglycyrrhizinated licorice").

What the Science Says

A review of several clinical trials found that glycyrrhizin might reduce complications from hepatitis C in some patients. However, there is not enough evidence to confirm that glycyrrhizin has this effect.
There are not enough reliable data to determine whether licorice is effective for stomach ulcers.

Side Effects and Cautions

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.

The safety of using licorice as a supplement for more than 4 to 6 weeks has not been thoroughly studied.

Taking licorice together with diuretics (water pills) or other medicines that reduce the body's potassium levels could cause dangerously low potassium levels.

People with heart disease or high blood pressure should be cautious about using licorice.
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.

Tell your health care providers about any complementary and alternative practices you use.

Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care.


National Center for Complementary and Alternative Medicine. Hepatitis C and Complementary and Alternative Medicine: 2003 Update. National Center for Complementary and Alternative Medicine Web site. Accessed on July 12, 2007.
Licorice (Glycyrrhiza glabra). In: Coates P, Blackman M, Cragg G, et al., eds. Encyclopedia of Dietary Supplements. New York, NY: Marcel Dekker; 2005:391–399.
Licorice. Natural Medicines Comprehensive Database Web site. Accessed on July 12, 2007.
Licorice (Glycyrrhiza glabra L.) and DGL (deglycyrrhizinated licorice). Natural Standard Database Web site. Accessed on July 12, 2007.
Licorice root. In: Blumenthal M, Goldberg A, Brinckman J, eds. Herbal Medicine: Expanded Commission E Monographs. Newton, MA: Lippincott Williams & Wilkins; 2000:233–239.

For More Information

What's in the Bottle? An Introduction to Dietary Supplements
Herbal Supplements: Consider Safety, Too
NCCAM Clearinghouse
The NCCAM Clearinghouse provides information on CAM and NCCAM, including publications and searches of Federal databases of scientific and medical literature. The Clearinghouse does not provide medical advice, treatment recommendations, or referrals to practitioners.
Toll-free in the U.S.: 1-888-644-6226TTY (for deaf and hard-of-hearing callers): 1-866-464-3615Web site: nccam.nih.govE-mail:
CAM on PubMedWeb site:
NIH Office of Dietary SupplementsWeb site:
NIH National Library of Medicine's MedlinePlusLicorice Root Listing:

This publication is not copyrighted and is in the public domain. Duplication is encouraged.
NCCAM has provided this material for your information. It is not intended to substitute for the medical expertise and advice of your primary health care provider. We encourage you to discuss any decisions about treatment or care with your health care provider. The mention of any product, service, or therapy is not an endorsement by NCCAM.
NCCAM Publication No. D318Created June 2006Updated June 2008


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