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SupplementScience

DGL Licorice Side Effects & Safety

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Very well tolerated — glycyrrhizin removal eliminates the main licorice safety concerns
  • Mild nausea in some individuals
  • Extremely rare allergic reactions

Drug & Supplement Interactions

  • Regular licorice/glycyrrhizin-containing products — do not combine; DGL is safe but regular licorice causes hypertension
  • Warfarin — licorice flavonoids may have mild antiplatelet activity
  • Generally very few drug interactions due to glycyrrhizin removal

Maximum Dose

Do not exceed: 2,280mg DGL per day (760mg 3x daily)

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