Raw Licorice (Sheng Gan Cao)

生甘草 (Shēng Gān Cǎo) · Glycyrrhiza uralensis (raw)

Unprocessed licorice — in TCM clears heat and detoxifies, different from honey-fried licorice which tonifies the spleen. Used for sore throat, cough, and poisoning.

Evidence Score
4/10
Preliminary
Safety
Use with caution

Good For

Key Benefits

May support immune system function

Traditionally used to strengthen defensive qi and resistance to illness

May support healthy digestive function

Traditionally used to harmonize the stomach and intestines

How to Take

Typical dose: Follow product label. Often taken as tea (3-5g dried herb steeped 10 min) or 500-1000mg extract with meals
Forms: capsule, powder, tea/decoction
Timing: Take with food unless otherwise directed. Allow 2-4 weeks for full effects with tonic herbs
Start with lower doses and increase gradually. Quality and standardization vary between brands.

Safety & Interactions

Possible Side Effects

  • Digestive discomfort at higher doses
  • May cause drowsiness or stimulation depending on the herb
  • Allergic reactions possible in sensitive individuals

Do Not Use If

  • Pregnancy and breastfeeding (insufficient safety data)
  • Children under 12 without professional guidance
  • Scheduled surgery (stop 2 weeks before)

Drug Interactions

  • May interact with prescription medications
  • May affect blood sugar or blood pressure medications
  • Consult pharmacist before combining with other supplements

Traditional Use

In Traditional Chinese Medicine, 生甘草 (Shēng Gān Cǎo) has been used for centuries. TCM practitioners use it to reinforce the body's defensive energy (wei qi). It supports the spleen and stomach — the foundation of post-natal qi production in TCM theory.

Modern Research

Research is still emerging for this herb. Most evidence comes from animal studies, in-vitro experiments, and traditional use records. Limited clinical trial data is available. The herb shows promise but requires more rigorous human studies to confirm efficacy.

View all studies on PubMed for Glycyrrhiza uralensis (raw)

Where to Buy

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