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Botanical

Licorice Root (Glycyrrhiza glabra)

Also known as: Glycyrrhiza glabra, DGL (deglycyrrhizinated), Licorice extract

B
Evidence

Traditional antiviral herb with glycyrrhizin compound showing activity against multiple viruses.

Primary uses

  • Antiviral
  • Adrenal support
  • Sore throat
  • Digestive support

How it works

  • Glycyrrhizin has antiviral activity
  • Supports adrenal function
  • Soothes mucous membranes
  • Anti-inflammatory effects

Dosage

Typical range
200-400mg standardized extract (non-DGL) for short periods
Timing
With meals
With food
Yes
Duration
Short-term only (2-4 weeks) for whole extract
Special populations
Those with viral infections, adrenal fatigue

Forms

  • Whole root extract
  • DGL
  • Tea/decoction

Safety

Common side effects

  • Edema
  • Headache
  • Fatigue
  • Elevated blood pressure

Contraindications

  • Hypertension
  • Heart disease
  • Kidney disease
  • Hypokalemia
  • Pregnancy

Evidence notes

Traditional use with in vitro antiviral evidence

Grade B: Some human trials support key claims; further confirmation needed.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.