Individual Herbs Notebook

Qun Dai Cai

Pharmaceutical: Thallus Undariae
Taxonomy: Undaria pinnatifida

Other names: Wakame

Category: Herbs that Transform Phlegm



Properties: Salty, cold

Meridans Entered:
Primary: Liver, Stomach and Kidney


Traditional Actions/Indications:
  1. Resolves Phlegm and softens Phlegm nodules (areas of hardness)
    Phlegm Nodules in the neck (scrofula, goiter, sensation of fullness and obstruction in the chest)
    Thyroid tumors, tuberculosis, lymphadenitis, cirrhosis – with Blood movers
    Dysphagia
  2. Promotes urination and reduces swelling
    Adjunct for oedema, fistula and Leg Qi

Suggested Daily Dosage: 6-12g in decoction.


Cautions: Although known for its use in iodine deficiency goiters, Miyai et al (2008) suggested that excessive iodine from seaweed consumption may actually suppress thyroid function.


Notable Constituents:
Does not appear in any formulae listed on this site
Research Links & References: (click to display)