Wen Dan Tang Wan — Calm the Mind, Clear Phlegm, Restore Balance
Wen Dan Tang Wan is a time-honoured formula in Traditional Chinese Medicine designed to address disharmony between the gallbladder and stomach, a common root of phlegm-heat affecting both the digestive and nervous systems.
 
In TCM, this disharmony blocks the flow of Qi, leading to the formation of internal “phlegm” (not limited to mucus but representing broader systemic imbalance) and heat, manifesting in both physical and emotional symptoms.
 
Key Functions:
Regulates Qi flow
Transforms phlegm
Clears heat from the gallbladder
Harmonises the stomach
Dries dampness
Calms the mind
 
Common Uses:
Dizziness, vertigo, or nausea
Insomnia or dream-disturbed sleep
Anxiety, restlessness, or palpitations
Copious white or yellow phlegm
Bitter taste in the mouth
Indecisiveness, timidity, or irritability
Abdominal bloating, slight thirst, or poor appetite
Emotional upset following long-term illness
Seizures with sputum or flushing sensations
 
Modern Insights:
Clinical research suggests Wen Dan Tang helps regulate the Ghrelin-Ghrelin receptor system, which may explain its effects in reducing insomnia-related anxiety and improving hypothalamic response to sleep deprivation.
How to Use:
Take as directed by a qualified practitioner. Typically taken 2–3 times daily with warm water. Best used under professional supervision for lasting benefit.
Cautions:
Not suitable during pregnancy or for cold-deficiency patterns. Avoid long-term use without consulting a TCM professional.
 
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