Coptis japonica vs Berberis thunbergii

Side-by-side comparison of medicinal herbs

Herb

Coptis japonica

Antimicrobial

Antimicrobial

Coptis japonica

❌ Not recommended in pregnancy

❌ Not recommended while nursing

Berberis thunbergii

❌ Not recommended in pregnancy

❌ Not recommended while nursing

Description

Japanese woodland herb related to Chinese goldthread, used in traditional Japanese Kampo medicine.

Ornamental Japanese shrub widely planted in Western gardens, contains berberine, invasive in North America.

Active Compounds

berberine, coptisine, palmatine, worenine

berberine, berbamine, oxyacanthine, flavonoids, tannins

Traditional Uses

Traditional Japanese Kampo medicine for digestive and inflammatory conditions, Used for mouth sores fever and gastrointestinal infections

Traditional Japanese medicine for digestive and eye conditions, Used in folk medicine across temperate Asia for infections

Modern Uses

Antimicrobial action, Anti-inflammatory, Digestive support, Blood sugar regulation

Antimicrobial via berberine, Blood sugar lowering, Anti-inflammatory, Eye infection treatment

Adult Dosage

Tea: 3-6g per day

Tincture: 2-4ml 3x/day

Contraindications

Pregnancy, Neonates

Side Effects

Neonatal jaundice, Gastrointestinal upset

Neonatal jaundice, Mild gastrointestinal upset

Drug Interactions

0 known interactions

Reviewed by: HerbAlly Editorial Team, Medical herbalists and healthcare professionals

Sources: WHO Monographs · NCCIH · PubMed · Commission E