Bai Zhu is the dried rhizome of Atractylodes macrocephala, a foundational TCM tonic prized for strengthening digestive qi and resolving dampness through its warm, sweet nature. Its potent essential oil profile and complex polysaccharides make it indispensable in formulas addressing spleen deficiency with fluid retention, bloating, or poor nutrient absorption.
rhizome
decoction, powder, capsule, tincture
6–12g dried rhizome in decoction daily; 3–9g powder in capsules 2–3x daily
Very safe. May cause dry mouth in high doses.
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