Yashtimadhu, also called Yashti, Yashtimadhuka, Madhuka, Madhuyashti, Jethimadh, and licorice root, is far more than a modern “adrenal support” supplement. In Ayurveda, it is a sweet, cooling, unctuous root used in throat and voice care, cough, digestive burning, complexion support, wound care, strength, eye-supporting regimens, and medhya rasayana contexts. Its classical identity is broad: the Ayurvedic Pharmacopoeia of India defines Yashti as the dried unpeeled stolon and root of Glycyrrhiza glabra Linn., and classical texts place Madhuka in categories connected with vitality, healing, complexion, and the throat.

For many households, the most familiar use remains the small sweet stick slowly chewed or prepared as a warm drink for throat comfort. That everyday experience reflects the herb’s Ayurvedic nature: sweet, soothing, cooling, and especially valued where irritated mucosa, voice strain, burning sensations, and pitta-vata aggravation are part of the picture.

Ayurvedic Profile

The classical Ayurvedic profile of Yashtimadhu explains why it is used as both a soothing local remedy and a deeper rasayana-style support. Its sweet taste, unctuous quality, and cooling potency make it nourishing and pitta-pacifying, while its named karmas show its specific uses beyond taste alone.

• Botanical source: Glycyrrhiza glabra Linn.
• Part used: Dried unpeeled stolon and root
• English name: Liquorice root / licorice root
• Rasa (taste): Madhura (sweet)
• Guna (qualities): Guru (heavy), snigdha (unctuous)
• Virya (potency): Sheeta (cooling)
• Vipaka (post-digestive effect): Madhura (sweet)
• Classical karma: Balya, chakshushya, vrishya, varnya, vatapittajit, raktaprasadana
• Traditional therapeutic uses listed in the Ayurvedic Pharmacopoeia: Kasa, kshaya, svarabheda, vatarakta, vrana

Charaka’s Sutra Sthana includes Madhuka in the Jeevaniya, Sandhaniya, Varnya, and Kanthya mahakashayas. This is why Yashtimadhu belongs not only in cough and throat formulas, but also in discussions of tissue support, wound-healing support, complexion, and vitality.

Why Yashtimadhu Goes Beyond Adrenal Support

The modern supplement market often narrows licorice root to cortisol and adrenal discussions. Ayurveda gives a wider and more practical view: Yashtimadhu is primarily a sweet, cooling, mucosa-soothing, strength-supporting herb with important classical uses in the throat, respiratory tract, digestive burning, complexion, eye-supporting care, and tissue repair.

This broader view matters because the same glycyrrhizin-containing root that can influence cortisol metabolism can also affect blood pressure, potassium, and fluid balance. Yashtimadhu is best treated as a therapeutic herb, not as a casual daily sweetener or indefinite tonic.

Digestive Comfort: Burning, Dyspepsia, and Mucosal Soothing

Yashtimadhu is especially suited to digestive irritation where burning, sourness, or inflamed mucosa are present. Its sweet, unctuous, cooling profile fits the Ayurvedic picture of pitta-type burning, and modern herbal monographs recognize liquorice root as a traditional herbal medicine for digestive symptoms such as burning sensation and dyspepsia.

• For digestive burning: A mild infusion or decoction may be taken after meals for short-term digestive comfort.
• For sensitive stomach lining: Deglycyrrhizinated licorice (DGL) is used as a demulcent to help relieve minor inflammation of the gastrointestinal tract and burning stomach discomfort.
• For ulcer-like symptoms: Proper diagnosis is essential, including evaluation for Helicobacter pylori when appropriate. Licorice preparations should not be used to delay medical care for persistent pain, bleeding, unexplained weight loss, vomiting, or black stools.

For digestive use, the European herbal monograph gives 1.5–2 g of comminuted licorice root in 150 ml of boiling water as an infusion or decoction, taken two to four times daily after meals, with use limited to no more than four weeks unless guided by a qualified practitioner. DGL products are a separate category: they are designed to reduce glycyrrhizic acid exposure and are usually chewed so the preparation mixes with saliva before swallowing.

Key Bioactive Compounds

Yashtimadhu contains a wide range of phytochemicals. Ayurveda reads the herb through rasa, guna, virya, vipaka, and karma, while modern phytochemistry helps explain why the same root has digestive, respiratory, skin, and safety considerations.

• Glycyrrhizin / glycyrrhizic acid: A major sweet triterpenoid saponin of licorice root and the main compound behind the mineralocorticoid-type safety concerns.
• Glycyrrhetinic acid: A metabolite associated with the inhibition of 11-beta-hydroxysteroid dehydrogenase type 2, the pathway linked with sodium retention, potassium loss, and blood pressure elevation in susceptible people.
• Glabridin: A licorice flavonoid associated with the herb’s complexion-supporting use, especially through effects on tyrosinase and melanogenesis.
• Liquiritigenin, isoliquiritigenin, and related flavonoids: Compounds that contribute to the broader pharmacological profile of the root.
• Licochalcones and other licorice flavonoids: Constituents associated with antimicrobial and anti-inflammatory activity in laboratory models.

The Ayurvedic reading remains essential: Yashtimadhu is not merely a list of isolated molecules. Its sweetness, cooling potency, and unctuous quality make it soothing and nourishing, while its classical karmas identify the specific domains in which Ayurveda uses it.

Voice and Throat Health

Yashtimadhu’s reputation as a throat herb is strongly supported by its classical placement. Charaka includes Madhuka in the Kanthya group, and the Ayurvedic Pharmacopoeia lists svarabheda, or voice disorder, among its therapeutic uses.

For voice strain, mild sore throat, or dryness from speaking, a warm licorice infusion can be sipped slowly. A small measured amount of powder may also be mixed into warm water for gargling. The purpose is local soothing: the sweet and unctuous nature of the root helps coat the throat, while its classical Kanthya identity explains its long-standing use for the voice.

Simple voice-care preparation: Prepare a mild infusion using about 1.5 g of crushed Yashtimadhu root in 150 ml of hot water. Let it steep, strain, and sip warm. Use short term, and seek medical care for severe throat pain, difficulty swallowing, high fever, or symptoms lasting more than a few days.

Respiratory Health

Yashtimadhu is a classical cough herb. The Ayurvedic Pharmacopoeia lists kasa among its uses, and the European herbal monograph recognizes liquorice root as a traditional expectorant for cough associated with cold.

Skin Health and Complexion

Yashtimadhu is a classical varnya herb. The Ayurvedic Pharmacopoeia lists varnya among its karmas, and Charaka includes Madhuka in the Varnya mahakashaya. This supports its traditional place in complexion care and soothing external applications.

Glabridin from licorice extract is associated with inhibition of tyrosinase activity and melanogenesis, which helps explain why licorice appears in many modern complexion formulas. Topical licorice gel has also been used for atopic dermatitis-type symptoms, but irritated or diseased skin should be handled carefully and with professional guidance.

External complexion paste: Mix a small amount of Yashtimadhu powder with clean water or rose water to form a smooth paste. Apply briefly, avoid the eyes, rinse gently, and patch-test first. Do not apply to infected, oozing, or broken skin without medical advice.

Adrenal Support and Cortisol Metabolism

Licorice root affects cortisol metabolism through glycyrrhizin-derived compounds that inhibit 11-beta-hydroxysteroid dehydrogenase type 2. This enzyme normally helps convert active cortisol to inactive cortisone in mineralocorticoid-sensitive tissues. When this pathway is inhibited, cortisol can act more strongly at mineralocorticoid receptors, leading to sodium and water retention, potassium loss, and blood pressure elevation in susceptible people.

This is why Yashtimadhu should not be used casually for vague “adrenal fatigue.” Fatigue can have many causes, and licorice root is not appropriate for everyone. It is especially unsuitable for people with hypertension, kidney disease, cardiovascular disease, low potassium, fluid retention, or those taking medications that affect blood pressure, potassium, corticosteroid activity, or heart rhythm unless supervised by a qualified healthcare provider.

Other Classical Applications

Beyond digestion, throat, cough, and complexion, Yashtimadhu appears in several other Ayurvedic contexts. These applications should be understood as practitioner-guided uses rather than reasons for indefinite self-supplementation.

Eye-Supporting Use (Chakshushya)

The Ayurvedic Pharmacopoeia lists Yashtimadhu as chakshushya, meaning beneficial in eye-supporting regimens. This does not mean licorice powder should be placed directly into the eyes. Internal or external eye-related use should be guided by a qualified Ayurvedic practitioner, especially where infection, pain, redness, vision change, or chronic eye disease is present.

Strength, Tissue Support, and Wound Care

The Ayurvedic Pharmacopoeia lists Balya, Raktaprasadana, and Vrana among Yashtimadhu’s actions and uses, and Charaka places Madhuka in the Sandhaniya group. This supports its traditional role in tissue-soothing and healing-supportive contexts. Open wounds, burns, ulcers, and infected skin require appropriate medical assessment.

Medhya Rasayana Context

Yashtimadhu is included in the traditional Medhya Rasayana context along with herbs such as Mandukaparni, Guduchi, and Shankhapushpi. Classical-style use often involves fine root powder taken with milk, but long-term use should be supervised because the same root can affect blood pressure, potassium, and fluid balance.

Dosage Guidelines

Adult dosing depends on the form, purpose, constitution, duration, and medical history. Do not combine multiple licorice-containing products without counting the total exposure, and do not use Yashtimadhu continuously for long periods unless supervised.

Kitchen Preparations with Yashtimadhu

Yashtimadhu can be approached as a simple home preparation rather than only as a capsule. The key is to keep the dose modest, avoid stacking several licorice products at once, and use it for a defined purpose rather than as an indefinite daily sweet drink.

• Mild Yashtimadhu tea: Steep about 1.5 g of crushed root in 150 ml hot water, strain, and sip warm. For digestive burning, take after meals for short-term use.
• Yashtimadhu milk: A small measured amount of fine Yashtimadhu powder may be simmered with milk in a traditional nourishing preparation. This fits the sweet, cooling, medhya-style use of the root, but should remain within safe dose limits.
• Throat-coating paste: Mix a small measured pinch of Yashtimadhu powder with honey and lick slowly for throat dryness or irritation. Keep the total daily amount within the adult range and avoid this approach where honey or sugar is unsuitable.
• DGL digestive routine: Use a properly labelled DGL chewable before meals or between meals when glycyrrhizic acid reduction is desired for gastric comfort.

These preparations keep Yashtimadhu close to its traditional character: sweet, soothing, cooling, and used with attention to constitution, indication, and safety.

Safety: Glycyrrhizin Requires Respect

Yashtimadhu’s safety concerns come mainly from glycyrrhizin and its metabolites. By interfering with cortisol metabolism, licorice can produce mineralocorticoid-like effects. These effects may appear as fluid retention, potassium depletion, blood pressure elevation, and heart rhythm problems, especially with high intake, prolonged use, susceptible constitution, or interacting medicines.

• Avoid unsupervised use if you have hypertension, kidney disease, liver disease, cardiovascular disease, low potassium, edema, or a history of heart rhythm problems.
• Use caution with medicines including antihypertensives, diuretics, cardiac glycosides, corticosteroids, stimulant laxatives, and other medicines that affect electrolytes or heart rhythm.
• Pregnancy requires medical guidance: Large oral intake of licorice during pregnancy is unsafe.
• Do not exceed duration: Traditional digestive use of glycyrrhizin-containing licorice root is generally limited to short-term use unless supervised.
• Choose DGL when appropriate: DGL reduces glycyrrhizic acid exposure but should still be used according to product directions and medical context.

Medical Disclaimer: This article is for educational purposes only. Yashtimadhu can interact with medications and may affect blood pressure, potassium, fluid balance, pregnancy safety, and heart rhythm. Consult a qualified Ayurvedic practitioner or healthcare provider before using Yashtimadhu if you have a medical condition, take medication, are pregnant or breastfeeding, or plan to use it for more than short-term support. Persistent digestive pain, ulcer symptoms, cough, breathing difficulty, skin disease, eye symptoms, or unexplained fatigue require proper diagnosis and care.

References

1. Ayurvedic Pharmacopoeia of India
2. Charaka Samhita — Shadvirechanashatashritiya Adhyaya
3. E-lactancia (e-lactancia.org)
4. Webprod (webprod.hc-sc.gc.ca)
5. Liquorice (Glycyrrhiza glabra): A phytochemical and pharmacological review (2018), PubMed
6. Anti-Helicobacter pylori flavonoids from licorice extract (2002), PubMed
7. The inhibitory effect of glabridin from licorice extracts on melanogenesis and inflammation (1998), PubMed
8. The treatment of atopic dermatitis with licorice gel (2003), PubMed
9. NCCIH
10. Frontiersin (frontiersin.org)
11. Medsafe (medsafe.govt.nz)
12. Nootropic herbs (Medhya Rasayana) in Ayurveda: An update (2012), PubMed Central

Yashtimadhu, also called Yashti or Madhuyashti, is the dried root and stolon of Glycyrrhiza glabra L. The Ayurvedic Pharmacopoeia of India identifies it as a sweet, cooling, unctuous and nourishing drug traditionally used in conditions such as cough, hoarseness, wasting, wounds and Vatarakta. Modern interest has focused on its triterpenoid saponins, especially glycyrrhizin, but the same constituents that contribute to its pharmacological activity can also cause clinically important adverse effects. Whole-root licorice, standardized extracts and deglycyrrhizinated licorice are therefore not interchangeable.

Identity and Pharmacopoeial Standard

The official Ayurvedic monograph describes Yashti as the dried, unpeeled stolon and root of Glycyrrhiza glabra L., family Leguminosae. Its recognized synonyms include Yashtimadhuka, Yashtika, Madhuka, Madhuyashti and Yashtyahva. Correct botanical identification matters because commercial products may differ in plant species, extraction method, glycyrrhizin content and intended route of use.

Classical Ayurvedic Pharmacology

The Ayurvedic Pharmacopoeia gives Yashtimadhu a predominantly nourishing and cooling profile. Its properties support its classical use where soothing, unctuous and strength-promoting actions are desired, while its heaviness and sweetness require thoughtful selection in patients with marked Kapha, sluggish digestion or fluid retention.

• Rasa: Madhura (sweet)
• Guna: Guru (heavy) and Snigdha (unctuous)
• Virya: Shita (cooling)
• Vipaka: Madhura (sweet post-digestive effect)
• Dosha action: Vatapittajit, meaning it pacifies Vata and Pitta
• Classical karmas: Balya, Chakshushya, Vrishya, Varnya and Raktaprasadana
• Pharmacopoeial therapeutic uses: Kasa, Kshaya, Svarabheda, Vatarakta and Vrana

Classical Groupings and Rasayana Context

In Charaka Samhita, Madhuka—a recognized synonym of Yashti in the Ayurvedic Pharmacopoeia—is included in several ten-drug groups, including Jeevaniya, Sandhaniya, Varnya, Kanthya and Kandughna. These classifications place the drug in life-supporting, tissue-restorative, complexion-promoting, throat-benefiting and itching-relieving contexts. Charaka also describes Yashtimadhu powder taken with milk among the Medhya Rasayana measures. This is a classical mode of administration and should not be converted into a modern disease prescription without assessing digestion, constitution, comorbidities and concurrent medicines.

Phytochemical Profile

Licorice root contains several constituent classes rather than a single active principle. Glycyrrhizin and its metabolite glycyrrhetinic acid are especially important because they influence cortisol metabolism and account for much of the characteristic safety profile. Flavonoids and chalcones such as liquiritin, isoliquiritigenin and glabridin are also well described, although findings from laboratory studies do not establish identical clinical effects for every licorice preparation.

Digestive and Oral Applications

European and Canadian herbal monographs recognize traditional digestive uses of licorice preparations for symptoms such as burning, dyspepsia and minor inflammatory irritation of the gastrointestinal tract. Evidence is preparation-specific: whole-root tea, standardized extracts and DGL differ substantially in glycyrrhizin exposure, dose and safety considerations.

Functional Dyspepsia

A randomized, double-blind, placebo-controlled trial evaluated the standardized licorice extract GutGard at 75 mg twice daily for 30 days in adults with functional dyspepsia. Total symptom scores improved more with the extract than with placebo at days 15 and 30, and quality-of-life scores also improved. The result supports the studied extract and regimen; it does not establish equivalent dosing for ordinary root powder, tea or unrelated commercial products.

Deglycyrrhizinated Licorice

DGL is processed to remove most of the original glycyrrhizic acid. Health Canada’s oral DGL monograph permits claims for relief of minor gastrointestinal inflammation and abdominal pain or burning in the stomach. For adults, it lists 380–1,520 mg per dose three times daily, chewed or mixed with saliva between meals or about 20 minutes before meals. The finished product must contain no more than 3% of the original glycyrrhizic acid quantity. These specifications apply to qualifying DGL products, not to whole Yashtimadhu powder.

Aphthous Ulcers

A small clinical trial using licorice bioadhesive hydrogel patches in recurrent aphthous ulcers reported reductions in pain and lesion dimensions compared with placebo or no treatment. A separate Canadian buccal DGL monograph recognizes temporary relief of minor oral mucosal inflammation, including canker sores. Persistent, unusually large or frequently recurring ulcers require dental or medical assessment rather than repeated self-treatment.

Respiratory and Throat Use

Yashtimadhu’s traditional respiratory role is consistently reflected across sources. The Ayurvedic Pharmacopoeia lists Kasa and Svarabheda among its uses, while Charaka includes Madhuka in the Kanthya group. The European herbal monograph recognizes licorice root as a traditional expectorant for cough associated with a cold. Breathlessness, high fever, purulent sputum or a cough that persists or worsens warrants prompt medical evaluation.

Cortisol Metabolism and Pseudoaldosteronism

In kidney tissue, 11-beta-hydroxysteroid dehydrogenase type 2 normally converts active cortisol to cortisone and thereby protects the mineralocorticoid receptor. Glycyrrhetinic acid inhibits this enzyme. Cortisol can then stimulate mineralocorticoid receptors, promoting sodium and water retention, potassium loss, raised blood pressure and, in severe cases, cardiac rhythm disturbances. This pathway explains licorice-induced pseudoaldosteronism; it is not a basis for self-treating fatigue, suspected adrenal insufficiency or low cortisol.

“Adrenal fatigue” is not an accepted endocrine diagnosis, and a 2016 systematic review found no substantiation for it as a distinct medical condition. Persistent fatigue, weakness, dizziness, weight change or suspected adrenal disease should be investigated by a qualified healthcare provider rather than managed with licorice on the assumption that prolonging cortisol action is beneficial.

Dose and Preparation Matter

Published doses belong to specific traditions, products and indications. They should not be combined, multiplied or transferred from one preparation to another. Glycyrrhizin content varies, and the patient’s blood pressure, potassium status, kidney function, medicines and duration of use can change the risk substantially.

European and international safety evaluations have discussed regular intake around 100 mg glycyrrhizinic acid per day as unlikely to cause adverse effects in most adults, but this is not a guaranteed safe dose or an established acceptable daily intake. Susceptible individuals may develop adverse effects below that amount, especially with repeated exposure.

Safety, Contraindications and Interactions

Whole licorice can produce water retention, hypokalemia, hypertension and arrhythmias, particularly with high intake, prolonged use or increased susceptibility. It should not be treated as an unrestricted food-like tonic. A qualified Ayurvedic practitioner or healthcare provider should review any planned course, especially when symptoms are chronic or medicines are being taken.

• Avoid during pregnancy. During breastfeeding, use only after professional assessment.
• Avoid in hypertension, hypokalemia, kidney disease, liver disease or cardiovascular disease unless specifically supervised by a clinician.
• Do not combine casually with potassium-depleting diuretics, cardiac glycosides, corticosteroids, stimulant laxatives or other medicines that can worsen electrolyte imbalance.
• Licorice may oppose antihypertensive treatment and may increase the consequences of low potassium.
• Avoid taking several licorice-containing teas, candies, supplements or formulas at the same time.
• Seek medical care if swelling, marked weakness, muscle cramps, palpitations or a substantial rise in blood pressure occurs.

Responsible Ayurvedic Use

Yashtimadhu is best selected according to the patient’s Prakriti, current dosha disturbance, Agni, tissue state, age, season and medical history. Its Madhura, Guru, Snigdha and Shita qualities can be appropriate in selected Vata- or Pitta-predominant presentations, but the same profile may be unsuitable where heaviness, poor digestion, congestion or fluid retention dominate. Long-term use should not proceed solely because the herb is described as Balya, Medhya or Rasayana in a classical context.

1. Confirm the botanical identity, plant part and preparation on the label.
2. Distinguish whole-root licorice from DGL and standardized extracts.
3. Use the lowest appropriate dose for the shortest suitable duration.
4. Do not use licorice as a substitute for evaluation of persistent gastrointestinal, respiratory, endocrine, hepatic or oral symptoms.
5. For constitutional context, see the Prakriti assessment guide, while recognizing that formal prescribing requires an individualized consultation.

A Balanced Clinical View

Yashtimadhu is a well-defined Ayurvedic drug with verified classical actions, traditional digestive and respiratory uses, and a small but relevant body of preparation-specific clinical evidence. Its benefits should be interpreted alongside its predictable effects on cortisol metabolism, blood pressure, potassium and fluid balance. Correct identification, appropriate formulation, limited duration and professional supervision preserve the value of this classical herb while reducing avoidable harm.

References

1. Ayurvedic Pharmacopoeia of India
2. Ayurvedic Pharmacopoeia of India
3. Charaka Samhita — Shadvirechanashatashritiya Adhyaya
4. Charaka Samhita — Rasayana Adhyaya (Chikitsa Sthana 1.3)
5. Liquorice (Glycyrrhiza glabra): A phytochemical and pharmacological review (2018), PubMed
6. Ema (ema.europa.eu)
7. An Extract of Glycyrrhiza glabra (GutGard) Alleviates Symptoms of Functional Dyspepsia: A Randomized, Double-Blind, Placebo-Controlled Study (2012), PubMed
8. Webprod (webprod.hc-sc.gc.ca)
9. The efficacy of the bioadhesive patches containing licorice extract in the management of recurrent aphthous stomatitis (2009), PubMed
10. Webprod (webprod.hc-sc.gc.ca)
11. NCBI
12. Clinical Risk Factors of Licorice-Induced Pseudoaldosteronism Based on Glycyrrhizin-Metabolite Concentrations: A Narrative Review (2021), PubMed Central
13. Adrenal fatigue does not exist: a systematic review (2016), PubMed
14. Ec (ec.europa.eu)
15. Apps (apps.who.int)
16. Webprod (webprod.hc-sc.gc.ca)