Description
Expel Water Retention is a Traditional Chinese Medicine (TCM) formula designed to reduce fluid buildup in the body by promoting urination and improving the body’s water metabolism. Based on the classical formula Wu Ling San, it works by clearing “dampness” and supporting the bladder, spleen, and kidney functions, helping to relieve symptoms like bloating, swelling (oedema), difficulty urinating, and watery diarrhea. It is commonly used for conditions linked to fluid imbalance, such as water retention, kidney issues, and digestive disturbances.
🌿 Key Ingredients:
The formula contains a classic combination of herbs:
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Bai Zhu (Atractylodes macrocephala) – strengthens digestion & reduces dampness
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Fu Ling (Poria cocos) – promotes urination & calms the body
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Gui Zhi (Cinnamon twig) – warms circulation & supports fluid movement
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Ze Xie (Alisma orientalis) – strong diuretic herb
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Zhu Ling (Polyporus mushroom) – supports kidney function & fluid drainage
✅ Benefits & Uses:
💧 1. Reduces Water Retention
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Helps relieve swelling (oedema)
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Useful for puffy face, hands, legs, or abdomen
🌬️ 2. Supports Urinary Function
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Helps with urinary retention or difficulty urinating
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Encourages healthy bladder function
🌿 3. Relieves Digestive Dampness
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Can help with:
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Bloating
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Loose stools or watery diarrhea
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Heavy, sluggish feeling
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🫁 4. Supports Respiratory & Fluid Balance
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May assist symptoms like:
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Cough with phlegm
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Shortness of breath linked to fluid accumulation
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🧠 5. Helps Vertigo Linked to Fluid Imbalance
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In TCM, excess fluid can “block the head,” causing dizziness
🩺 6. Traditionally Used For (Clinical Context)
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Kidney-related fluid issues
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Liver-related ascites (fluid in abdomen)
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Cardiac-related oedema
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Acute enteritis and fluid imbalance conditions
⚙️ How It Works (TCM Perspective):
In Traditional Chinese Medicine, water retention is seen as:
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A dysfunction of Qi (energy) and Yang (warming energy)
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Poor fluid transformation by organs like the Kidneys, Spleen, and Bladder
This formula works by:
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Promoting urination to eliminate excess fluid
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Warming and activating Yang energy
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Improving fluid transport and metabolism
⚠️ Important Considerations:
Who should be cautious:
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Pregnancy or breastfeeding
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People with severe kidney, heart, or liver conditions
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Those on diuretics or blood pressure medication
Possible mild effects:
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Increased urination
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Slight dehydration if overused
Brief History:
This formula is based on Wu Ling San, a classic Traditional Chinese Medicine remedy created by Zhang Zhongjing around 200 AD during the Eastern Han Dynasty. It was first recorded in the famous medical text Treatise on Febrile Diseases (Shang Han Lun).
For over 1,800 years, it has been used to treat conditions involving fluid imbalance, such as water retention, difficulty urinating, and digestive dampness. The formula remains widely used today, both in traditional practice and modern herbal supplements, for supporting healthy fluid metabolism.
The contents of the Knysna Health website shall not be regarded as medical advice, or a basis from which to make medical decisions. The use of information found on this site is completely your responsibility and at your own risk. Our recommendation is that if you have health concerns that you feel unsure about how to deal with, that you contact your trusted health professional for personalized advice.





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