Licorice Root

Zerotox Editor
Zerotox ingredient editorial team

Learn what Licorice Root is, how it is used in food and cosmetics, its safety profile, potential health concerns, and regulatory status.

Quick Facts

What is licorice root?
A botanical ingredient from the root of Glycyrrhiza plants, commonly used for flavor, fragrance, and herbal preparations.
Main active compounds
Glycyrrhizin, flavonoids, and other plant constituents.
Common uses
Flavoring in food and beverages, herbal products, and extracts in cosmetics and personal care.
Typical form
Dried root, powder, extract, or purified components.
Key safety issue
High intake of glycyrrhizin can affect blood pressure and potassium balance.
Regulatory attention
Reviewed by food safety and health authorities for flavoring and herbal use.

Licorice Root

1. Short Definition

Licorice root is the dried root of Glycyrrhiza species, especially Glycyrrhiza glabra, used as a flavoring, herbal ingredient, and cosmetic extract. It contains compounds such as glycyrrhizin and flavonoids that contribute to its taste and biological activity.

3. What It Is

Licorice root is the underground stem and root material from plants in the Glycyrrhiza genus, most often Glycyrrhiza glabra. It has a naturally sweet taste that comes mainly from glycyrrhizin, a compound much sweeter than sucrose. When people search for what is licorice root, they are usually referring to the dried botanical ingredient used in teas, candies, supplements, and cosmetic extracts. In ingredient lists, it may appear as licorice root, licorice root extract, or by the botanical name of the source plant.

4. Why It Is Used in Products

Licorice root uses in food are mainly related to flavor. It is used to add sweetness, a characteristic herbal note, and to modify flavor in confectionery, beverages, syrups, and some spice blends. In cosmetics, licorice root in cosmetics is valued for its plant extract profile and is used in skin care, hair care, and fragrance formulations. It is also used in traditional herbal products and in some pharmaceutical or over-the-counter preparations as a flavoring or botanical component. The ingredient may be used as whole root, powdered root, or standardized extract depending on the product.

5. Where It Is Commonly Used

Licorice root can be found in candies, chewing products, teas, herbal blends, liqueurs, and flavoring systems. It is also used in some throat lozenges and oral-care products for taste. In personal care, it may appear in creams, lotions, serums, shampoos, and facial products, usually as an extract rather than as raw root. In household and specialty products, it is less common but may be used in fragranced or botanical formulations. Product labels may list licorice root, licorice extract, deglycyrrhizinated licorice, or a Latin botanical name.

6. Safety Overview

Licorice root safety review findings depend strongly on the form used and the amount of glycyrrhizin present. In typical food flavoring amounts, licorice root is generally considered acceptable for most people. However, higher or repeated intake of licorice products containing glycyrrhizin has been associated in scientific studies with increased blood pressure, lower potassium levels, fluid retention, and related effects. These effects are more likely with concentrated extracts, large amounts of candy or tea, or long-term use. Safety assessments by food and health authorities generally distinguish between ordinary flavoring exposure and higher supplemental or medicinal exposure. Deglycyrrhizinated licorice, which has most glycyrrhizin removed, is used to reduce this specific risk, although product composition can vary.

7. Potential Health Concerns

The main concern with licorice root is the potential for glycyrrhizin to interfere with normal hormone and electrolyte regulation. Research has shown that excessive intake can contribute to hypertension, edema, headache, fatigue, and low potassium, especially in sensitive individuals. People with existing high blood pressure, kidney disease, heart disease, or electrolyte disorders may be more vulnerable. Licorice root may also interact with some medicines, including certain diuretics, blood pressure medicines, corticosteroids, and drugs that affect potassium balance. Allergic reactions are possible but not commonly reported. For reproductive effects, endocrine effects, or cancer-related questions, the evidence is mixed or limited and depends on dose, exposure route, and study design; current public reviews do not support simple conclusions for typical consumer use. As with many botanicals, concentrated extracts can behave differently from small flavoring amounts in food.

8. Functional Advantages

Licorice root has several practical formulation advantages. It provides a strong sweet taste with relatively small amounts, which can help reduce the need for added sugar in some products. It also contributes a recognizable flavor profile that is useful in confectionery, herbal teas, and oral-care products. In cosmetics, licorice root extracts are used because they are plant-derived, compatible with many formulations, and can support product positioning around botanical ingredients. The ingredient is versatile, available in multiple forms, and can be standardized for specific compound levels when manufacturers need more consistent performance.

9. Regulatory Status

Licorice root has been reviewed in various contexts by food safety and health authorities, including evaluations related to flavoring, herbal products, and constituent exposure. Regulatory approaches often focus on glycyrrhizin content rather than the root material alone. In food, it is generally permitted as a flavoring or botanical ingredient, but some jurisdictions provide guidance or warnings about excessive consumption of products containing licorice. In cosmetics, licorice-derived ingredients are commonly used, with safety depending on concentration, purity, and intended use. In supplements and traditional products, oversight may differ by country, and manufacturers are expected to ensure product quality and appropriate labeling. Consumers should note that regulatory acceptance of licorice root does not mean unlimited use is risk-free.

10. Who Should Be Cautious

People who may want to be cautious include those with high blood pressure, heart disease, kidney disease, low potassium, or a history of fluid retention. Caution is also reasonable for people taking medicines that can affect blood pressure or potassium levels. Pregnant or breastfeeding individuals should be especially careful with concentrated herbal products because safety data for higher exposures are limited. Children may be more sensitive to the effects of glycyrrhizin if they consume large amounts of licorice candy or herbal products. Anyone using licorice root in supplement form should pay attention to the product type, because extracts can contain much more active material than flavoring amounts in food.

11. Environmental or Sourcing Considerations

Licorice root is a plant-derived agricultural ingredient, so its environmental profile depends on cultivation practices, land use, water demand, and processing methods. Like other botanical raw materials, sustainability can vary by region and supply chain. There is limited ingredient-specific public environmental data compared with major commodity crops. Processing into extracts may add energy and solvent use, while responsible sourcing and traceability can reduce some impacts.

Frequently asked questions about Licorice Root

What is licorice root?
Licorice root is the dried root of Glycyrrhiza plants, used as a sweet flavoring, herbal ingredient, and cosmetic extract. Its characteristic taste comes mainly from glycyrrhizin.
What are licorice root uses in food?
Licorice root uses in food include flavoring candies, teas, beverages, syrups, and herbal blends. It is valued for its sweet, distinctive taste and aroma.
Is licorice root safe?
Licorice root is generally considered safe in typical flavoring amounts, but higher or repeated intake of products containing glycyrrhizin can raise blood pressure and lower potassium. Safety depends on the form and amount used.
Is licorice root safe in cosmetics?
Licorice root in cosmetics is commonly used as an extract and is generally considered acceptable when formulated appropriately. Skin products usually involve much lower systemic exposure than food or supplement use.
What are the main side effects of licorice root?
The best-known side effects are increased blood pressure, fluid retention, and low potassium when glycyrrhizin intake is high. Less commonly, people may experience headache, fatigue, or sensitivity reactions.
Who should avoid large amounts of licorice root?
People with high blood pressure, heart disease, kidney disease, or low potassium should be cautious with concentrated licorice products. Caution is also reasonable during pregnancy and when taking medicines that affect blood pressure or potassium.
What is the difference between licorice root and deglycyrrhizinated licorice?
Deglycyrrhizinated licorice is licorice root processed to remove most glycyrrhizin, the compound linked to blood pressure and potassium effects. It is used when a lower-glycyrrhizin ingredient is desired.

Synonyms and related names

  • #licorice
  • #liquorice
  • #Glycyrrhiza glabra
  • #Glycyrrhiza uralensis
  • #licorice extract
  • #deglycyrrhizinated licorice

Related ingredients

Ingredient ID: 12944