Licorice Root, sometimes called “Sweet Root” or “Gan Cao” in Traditional Chinese Medicine, belongs to the legume family (Fabaceae). Despite its candy-like sweetness, its greatest strength lies not in flavor, but in balance.
In herbal traditions from Egypt to China, Licorice is considered the herb that brings other herbs into harmony, a synergist. It’s often added to formulas to smooth harsh effects, enhance absorption, and create unity among ingredients.
Energetically, Licorice is cooling, moistening, and rejuvenating, making it ideal for dry, depleted constitutions or those recovering from burnout.
Materia Medica Overview
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Botanical Name: Glycyrrhiza glabra
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Family: Fabaceae (Legume family)
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Parts Used: Root
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Taste: Sweet, moist, slightly bitter
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Energetics: Cooling, moistening, harmonizing, rejuvenating
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Actions: Demulcent, Adaptogen, Anti-inflammatory, Expectorant, Adrenal tonic, Antiviral, Hepatoprotective, Antispasmodic, Synergist
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Primary Systems: Respiratory, Digestive, Endocrine (Adrenal), Immune, Urinary
Best suited for those who run dry, hot, or depleted, as Licorice restores what’s been burned out. It’s less suited to damp or stagnant constitutions or those with hypertension.
Licorice Root Benefits and Uses
Licorice Root is far more than a sweet flavoring. It’s a multi-system herbal ally that supports the body from the lungs to the liver.
Respiratory Support
Licorice’s demulcent and expectorant properties make it one of the best herbs for dry, irritated coughs and sore throats. It moistens dry mucous membranes and encourages productive expectoration, helping soothe chronic bronchitis or seasonal irritation.
Pairs beautifully with Marshmallow Root, Slippery Elm, or Mullein.
Digestive Comfort
In both Ayurveda and TCM, Licorice is used to soothe gastritis, ulcers, and acid reflux and to calm inflammation throughout the digestive tract. Its sweet, moist quality relieves dryness while promoting mucosal healing, making it a key component in gut-supportive blends.
Adrenal and Stress Support
Licorice acts as a gentle adrenal tonic, helping regulate cortisol breakdown and extend its beneficial effects during stress. This makes it a valuable herb for fatigue, burnout, or adrenal depletion, especially when used in small amounts over time.
Liver & Immune Health
Licorice’s glycyrrhizin and flavonoids provide hepatoprotective and antiviral effects, supporting natural detoxification and immune balance. It’s traditionally used to aid recovery from chronic inflammation and liver-related concerns.
Topical & Skin Uses
Thanks to its natural corticosteroid-like effects, Licorice can be found in creams and salves for eczema, psoriasis, and irritated skin. Its anti-inflammatory nature soothes redness while supporting the skin’s own healing rhythm.
Why Licorice Works in Herbal Chemistry
Licorice’s sweetness comes from glycyrrhizin, a triterpenoid saponin that’s about 50 times sweeter than sugar. Beyond taste, glycyrrhizin supports adrenal function, eases inflammation, and enhances mucosal healing.
Key Compounds & Their Roles:
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Glycyrrhizin & Glycyrrhetinic acid: Anti-inflammatory, adrenal-supportive
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Liquiritin & Liquiritigenin: Liver-protective, antioxidant
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Glucans & Arabinogalactans: Demulcent, immune-modulating
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Anethole & Umbelliferone: Mildly carminative and hepatoprotective
Together, these compounds make Licorice a true synergist herb, amplifying the effects of others while bringing overall harmony to the body.
A Root Steeped in History & Myth
Licorice has traveled through time and continents. From ancient Egypt, where it was buried in King Tut’s tomb, believed to sweeten the afterlife, to China, where it earned the name “Gan Cao” or “Sweet Grass”, one of the Nine Sacred Herbs of Traditional Chinese Medicine, celebrated for its power to harmonize and balance herbal formulas.
In Greek lore, its name comes from glykys (sweet) and rhiza (root), a nod to both its taste and its character. Warriors of Scythia and Thrace reportedly chewed it during long marches to sustain energy and courage.
Spiritually, Licorice Root has long been linked to Mercury, the planet of communication and adaptability. Folklore suggests that chewing a piece of the root before speaking can bring confidence and clarity, a reminder that this humble root helps us find balance not just in the body, but also in expression and relationships.
Today, it continues to live up to its reputation as the great harmonizer, the herb that brings sweetness and balance wherever it’s needed.
If you’d like to explore Licorice Root in more depth, visit our apothecary to browse blends and single herbs, or connect with our team for guidance on crafting a personalized tea or tincture.
References:
- Hoffmann, D. Medical Herbalism (2003).
- Bone, K., & Mills, S. Principles and Practice of Phytotherapy (2013).
- Bensky, D., et al. Chinese Herbal Medicine: Materia Medica (2004).
- Easley, T., & Horne, S. The Modern Herbal Dispensatory (2016).
- Asl, M.N., & Hosseinzadeh, H. (2008). Phytotherapy Research, 22(6), 709-724.
- Isbrucker, R.A., & Burdock, G.A. (2006). Regulatory Toxicology and Pharmacology, 46(3), 167-192.
- Manniche, L. An Ancient Egyptian Herbal (1989).
- Chevallier, A. Encyclopedia of Herbal Medicine (2016).
Disclaimer:
The information in this article is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Statements about herbal supplements have not been evaluated by the Food and Drug Administration. Always consult a qualified healthcare provider before beginning any new herbal regimen, especially if you are pregnant, nursing, or on medication.
About the Author
Hi, I'm Megan, herbalist, educator, and founder of MEGAN & CO. Apothecary in Spirit Lake, Iowa. I help people nourish and support their body's natural processes through herbs, nutrition, and traditional wellness practices.