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Types of DGL Licorice: Forms & Bioavailability

Evidence:Moderate
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This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

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.

References

  1. Morgan AG, McAdam WA, Pacsoo C, et al. (1985). Comparison between cimetidine and Caved-S in the treatment of gastric ulceration, and subsequent maintenance therapy. Gut. DOI PubMed
  2. Raveendra KR, Jayachandra, Srinivasa V, et al. (2012). 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 PubMed