Glycyrrhizic acid is extracted from the root of the licorice plant; Glycyrrhiza glabra. It is a triterpene glycoside with glycyrrhetinic acid that possesses a wide range of pharmacological and biological activities. When extracted from the plant, it can be obtained in the form of ammonium glycyrrhizin and mono-ammonium glycyrrhizin. Glycyrrhizic acid has been developed in Japan and China as a hepatoprotective drug in cases of chronic hepatitis. From January 2014, glycyrrhizic acid as part of the licorice extract was approved by the FDA as an existing food sweetener. It was approved by Health Canada to be used in over-the-counter products but all the products are currently on the status canceled post marketed.
Toxicology Report
Science-backed PDE/ADE, OEL & OEB derivation by certified toxicologists with ex-agency experts -
Glycyrrhizic Acid
Drug Overview
What is Glycyrrhizic Acid?
To derive PDE/ADE, OEL, and OEB values, Masuu Global follows a scientifically justified, risk-based toxicological assessment approach in accordance with internationally recognized guidelines and industry best practices that are widely accepted by regulatory authorities, including European Medicines Agency (EMA), Pharmaceutical Inspection Co-operation Scheme (PIC/S), and Agência Nacional de Vigilância Sanitária (ANVISA).
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What's included:
Full OEL derivation · ADE/PDE value · Control band assignment · All cited references · EMA / ICH Q9 compliance
Full OEL derivation · ADE/PDE value · Control band assignment · All cited references · EMA / ICH Q9 compliance
Regulatory Framework
Assessment Methodology
Masuu Global follows a scientifically justified, risk-based toxicological approach aligned with internationally recognized guidelines accepted by EMA, PIC/S, and ANVISA.
EMA – Guideline on Setting Health-Based Exposure Limits (HBELs)
Provides the framework for establishing scientifically justified PDE/ADE values for use in shared manufacturing facilities.
PIC/S – Shared Facilities and Contamination Control Guidance
Supports the application of HBEL-based approaches for cross-contamination prevention and cleaning validation.
ICH Q9 – Quality Risk Management
Provides a structured methodology for risk identification, assessment, control, communication, and review.
ICH M7 – Assessment and Control of DNA-Reactive (Mutagenic) Impurities (where applicable)
Applied for compounds with potential mutagenic or genotoxic concerns.
Risk-Based Toxicological Assessment
Comprehensive evaluation of available toxicological and pharmacological data, including NOAEL, LOAEL, BMDL, pharmacological potency, carcinogenicity, reproductive and developmental toxicity, sensitization potential, and target organ toxicity.
Weight-of-Evidence (WoE) Approach
Integration and critical review of all relevant data sources, including non-clinical studies, clinical studies, human exposure data, pharmacological information, post-marketing safety data, and structure–activity relationship (SAR/QSAR) assessments.
How We Work
Report Preparation Process
Every assessment moves through a rigorous five-stage workflow — from data gathering to regulatory-ready delivery.
01
Comprehensive Data Review
Assessment of pharmacology, toxicology, clinical data, literature, and available regulatory information.
02
Scientific Evaluation
Identification of critical endpoints and selection of appropriate exposure limits.
03
PDE / HBEL Derivation
Transparent and scientifically justified calculations aligned with global toxicological principles.
04
Ex-Agency Expert Review (Our Differentiator)
Reports are reviewed with an ex-agency perspective, bringing regulatory expectations, inspection readiness, and practical implementation into every assessment.
05
Final Report Delivery
Regulatory-ready reports with scientific rationale, calculations, and clear recommendations by certified toxicologists (ERT, UKRT and DABT).
Ex-Agency Advantage
Why Masuu Global?
Our ex-agency toxicologists bring a practical regulatory perspective that transforms how assessments are built, reviewed, and defended.
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Regulatory expectation–driven assessments aligned with how authorities actually evaluate submissions.
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Inspection-ready reports — scientifically defensible and audit-prepared from day one.
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Faster review cycles with direct decision support from certified toxicologists (ERT, UKRT, DABT).
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Practical implementation recommendations that translate science into actionable contamination control.
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Reduced internal effort — offload complex assessments without sacrificing quality or defensibility.
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Global reach across PDE/ADE, HBEL, OEL, OEB, cleaning validation, and impurity assessments.
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