No active regulatory warningsFDA MedWatch, EMA EudraVigilance, WHO VigiBase, WADA Prohibited List · 2026-05-29
Updated: 2026-05-29 · v2.0 · Prof. G. Pkhakadze, MD, MPH, PhDCiteEditorial
📰Read the full Licorice (Glycyrrhizin excess) evidence review on GMJ News →Complete clinical article, references and updates on news.gmj.ge. This page is the structured safety summary.
3
Limited
Licorice (Glycyrrhizin excess)
Glycyrrhiza glabra — high-dose glycyrrhizin
Limited EvidenceStrongRestricted
RDA
Max 100 mg glycyrrhizin
Target
N/A
Upper limit
EU: 100 mg glycyrrhizin
Products
Dosage by population group — reference
⚠ See referenced main entry for full safety data [1]
ℹ️ Not obtained from food. Not applicable — this is not obtained from food in meaningful amounts; supplementation is the practical route.
🔬 Lab interpreter
Recommended test
See main entry
Reference range / target
N/A
When to test
N/A
See main entry [1].
Full lab monitoring ↓
⚕ For professionals — confirm ranges against your local laboratory.
Clinical verdict
Alias for Licorice Root entry. Glycyrrhizin >100 mg/day causes pseudoaldosteronism (hypertension + hypokalemia). FATAL CASES documented. See 'Licorice Root' for complete data including DGL as safe alternative [1].
1 How much do I need?
👤 Adults: Specific dosage data under clinical review
👴 Elderly: Specific dosage data under clinical review
🤰 Pregnancy: See guidance
See main entry [1].
👦 Pediatric: See guidance
See main entry [1].
🏃 Athletes: Standard dose
⚖️ Obesity: Standard dose
Fat-soluble compounds may require dose adjustment in obesity.
🩺 Renal: Consult specialist
Dose adjustment may be needed in renal impairment.
🌱 Vegan: Standard dose

How to take

🍽 Timing: See main entry [1].
💊 With food: See main entry [1].
🚫 Avoid: See main entry [1].
2 Which form?
FormBioavailabilityVeganCost
['See main entry', 'standard', 'See referenced ingredient [1].']StandardCheck label
3 Common questions
Key point
Alias for Licorice Root entry. Glycyrrhizin >100 mg/day causes pseudoaldosteronism (hypertension + hypokalemia). FATAL CASES documented. See 'Licorice Root' for complete data including DGL as safe alternative [1].
4 Clinical evidence

Strong

See main entry [1]. HIGH

Moderate

See main entry [1]. MODERATE

Insufficient

See main entry [1]. LOW
5 Safety, toxicity & adverse events

Absolute contraindications

✕ Hypertension, heart failure, hypokalemia or significant kidney disease — glycyrrhizin causes pseudohyperaldosteronism
✕ Pregnancy

Relative

⚠ Digoxin — hypokalemia raises toxicity
⚠ Diuretics/corticosteroids — additive potassium loss
⚠ Effect is dose- and duration-dependent; DGL avoids it
⚠ (Concerns the excess-glycyrrhizin harm of licorice)

🚩 Red flags

See main entry for safety alerts [1]
6 Interactions
7 Cite this page
Vancouver: Pkhakadze G. Licorice (Glycyrrhizin excess) — safety profile [Internet]. Tbilisi: PHIG; 2026 [cited 2026 Jul 17]. Available from: https://supplement.ge/ingredients/licorice-glycyrrhizin-excess/
APA 7th: Pkhakadze, G. (2026). Licorice (Glycyrrhizin excess) — Safety profile. Public Health Institute of Georgia. https://supplement.ge/ingredients/licorice-glycyrrhizin-excess/
📋 Editorial information
Author: Prof. G. Pkhakadze, MD, MPH, PhD
Affiliation: David Tvildiani Medical University (DTMU)
First published: January 2026
Last reviewed: 2026-05-29
Next review: January 2027
References: 1 cited sources
COI: SupplementIndex receives no funding from supplement manufacturers. All content independently authored by PHIG.
Process: Systematic literature review
📄 License & reuse
Published under Creative Commons Attribution 4.0 International (CC BY 4.0). You may share and adapt for any purpose with attribution.
Pkhakadze G. "Licorice (Glycyrrhizin excess) — Safety Profile." SupplementIndex, PHIG, 2026. https://supplement.ge/ingredients/licorice-glycyrrhizin-excess/ CC BY 4.0.
GP
Prof. G. Pkhakadze, MD, MPH, PhD
Professor of Public Health · Head of Department, DTMU
Editor-in-Chief, Georgian Medical Journal (ISSN 3088-4322)
Chair, Public Health Institute of Georgia · UEMS Public Health Section
Educational and public health purposes. CC BY 4.0. Consult your healthcare provider before starting any supplement. Corrections: info@accreditation.ge. Publisher: PHIG