Yellow Dock Root vs Blue Flag

Side-by-side comparison of medicinal herbs

Herb

Yellow Dock Root

Rumex crispus

Liver Support

Blue Flag

Iris versicolor

Liver Support

⚠️ Pregnancy & Nursing Warnings

Yellow Dock Root

❌ Not recommended in pregnancy

❌ Not recommended while nursing

Blue Flag

❌ Not recommended in pregnancy

❌ Not recommended while nursing

Description

Common European and North American dock plant used as liver and blood purifier and iron-rich nutritive for anemia and skin conditions.

A North American iris used by Native Americans and Eclectic physicians as a powerful liver and lymphatic cleanser.

Active Compounds

anthraquinones, emodin, chrysophanol, iron, oxalic acid

Iridin, Isophthalic acid, Volatile oil, Resin

Traditional Uses

Blood purification and skin conditions in European folk medicine, Iron-rich nutritive for anemia, Constipation from liver congestion, Bitter digestive tonic

Liver congestion, Skin conditions, Thyroid enlargement, Constipation

Modern Uses

Hepatoprotective, Iron source, Mild laxative, Lymphagogue

Cholagogue, Lymphatic stimulant, Anti-inflammatory, Diuretic

Adult Dosage

2-4g dried root tea 3x daily; 2-4ml tincture 3x daily

0.5-1ml tincture 3x daily (LOW DOSE herb)

Contraindications

Kidney stones (oxalate content), Pregnancy, Diarrhea tendency, Anticoagulants

Pregnancy, GI inflammation, Diarrhea

Side Effects

Diarrhea, Nausea, Oxalate crystal formation with excessive use

Nausea, Vomiting, Diarrhea, Salivation

Drug Interactions

0 known interactions

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

Sources: WHO Monographs · NCCIH · PubMed · Commission E

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