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Types of DGL Licorice: Forms & Bioavailability

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Forms Comparison

FormBioavailabilityBest For
DGL Chewable TabletsHigh (oral mucosa + GI)Standard form — chewing activates salivary factors that enhance efficacy; must be chewed, not swallowed
DGL CapsulesModerateConvenience — for those who prefer capsules, though chewable form is traditionally considered superior
GutGard (standardized extract)HighStandardized to glabridin content — most clinically studied DGL form

DGL Chewable Tablets

Bioavailability: High (oral mucosa + GI). Best for: Standard form — chewing activates salivary factors that enhance efficacy; must be chewed, not swallowed.

DGL Capsules

Bioavailability: Moderate. Best for: Convenience — for those who prefer capsules, though chewable form is traditionally considered superior.

GutGard (standardized extract)

Bioavailability: High. Best for: Standardized to glabridin content — most clinically studied DGL form.

Full DGL Licorice Guide

References

  1. (). Comparison between cimetidine and Caved-S in the treatment of gastric ulceration, and subsequent maintenance therapy. Gut. DOI
  2. (). An extract of Glycyrrhiza glabra (GutGard) alleviates symptoms of functional dyspepsia: a randomized, double-blind, placebo-controlled study. Evidence-Based Complementary and Alternative Medicine. DOI