Introduction

Licorice root—Gan Cao (nn)—is the 'great harmonizer' of TCM formulas with wide-ranging actions.

Traditional Use in Chinese Medicine

Strengthens spleen/stomach, soothes lungs for cough, clears heat/toxins, and balances multi-herb

formulas.

Scientific Research & Proven Benefits

Glycyrrhizin and flavonoids confer anti-inflammatory, antiviral, and gastroprotective effects; DGL

supports ulcers/heartburn; respiratory soothing and potential anticancer properties are under study.

How to Use Safely Today

Typical use is 1–5 g dried root; prefer DGL for GI support. Long-term/high-dose glycyrrhizin may raise

blood pressure and lower potassium; avoid with certain heart/kidney conditions and interacting meds;

use caution in pregnancy.

Conclusion

Powerful and versatile, but best used thoughtfully to balance benefits and safety.