Hermetica Superfood Encyclopedia
The Short Answer
Wu Ling San is a traditional Chinese herbal formula containing Poria cocos, Polyporus umbellatus, Alisma orientale, Atractylodes macrocephala, and Cinnamomum cassia that promotes diuresis and reduces fluid retention. The formula works primarily through triterpenes and polysaccharides that enhance kidney function and regulate fluid metabolism.
CategoryTraditional Chinese Medicine
GroupTraditional Chinese Medicine
Evidence LevelModerate
Primary KeywordWu Ling San benefits
Synergy Pairings3
Wu Ling San (Five Ingredient Powder with Poria) — botanical close-up
Health Benefits
Supports kidney health by promoting diuresis
This aids in the elimination of excess fluids and toxins. - Reduces edema by balancing fluid retention. This provides relief from swelling and discomfort. - Enhances urinary function by improving bladder health. This helps prevent urinary tract infections. - Boosts energy levels by optimizing fluid metabolism. This combats fatigue and enhances vitality. - Supports cardiovascular health by reducing blood pressure. This lowers the risk of heart-related issues. - Improves digestive health by promoting regular bowel movements. This aids in the prevention of constipation. - Enhances skin health by reducing fluid-related puffiness. This results in a more youthful and refreshed appearance.
Origin & History
Natural habitat
Wu Ling San is a renowned TCM formula used to promote urination and resolve dampness. Its origins can be traced back to the Han Dynasty, and it includes ingredients such as Fu Ling (Poria), Zhu Ling (Polyporus), and Ze Xie (Water Plantain). The herbs are combined into a fine powder.
“Historically, Wu Ling San has been used to treat water retention and support kidney health, reflecting the TCM focus on fluid balance and organ harmony.”Traditional Medicine
Scientific Research
Studies have investigated Wu Ling San's diuretic properties and its use in treating edema and urinary dysfunction. Some RCTs have demonstrated its effectiveness, but further research is necessary to confirm these findings.
Preparation & Dosage
The typical dosage of Wu Ling San is 6-9 grams of the powdered herbs, taken with warm water. Consult a healthcare provider before use.
Nutritional Profile
Wu Ling San is a classical TCM formula composed of five herbs: Zhu Ling (Polyporus umbellatus), Fu Ling (Poria cocos), Ze Xie (Alisma orientalis), Bai Zhu (Atractylodes macrocephala), and Gui Zhi (Cinnamomum cassia twig). Key bioactive compounds include triterpenoids (pachymic acid, dehydropachymic acid) from Fu Ling at approximately 0.5-2% dry weight; polysaccharides (beta-glucans) from Zhu Ling and Fu Ling at 40-70% dry weight; alisol triterpenes (alisol A, B, C) from Ze Xie at 0.1-0.5%; atractylodin and atractylone from Bai Zhu at 0.5-1.5%; and cinnamaldehyde from Gui Zhi at 1-3%. Micronutrients include potassium, magnesium, and trace minerals. Polysaccharide bioavailability is enhanced through decoction preparation, while triterpenoids show moderate oral bioavailability (~20-40%) and are improved by lipid co-ingestion. The formula exhibits synergistic aquaporin-2 regulation for fluid balance.
How It Works
Mechanism of Action
Wu Ling San's diuretic effects are mediated by triterpenes from Poria cocos and Polyporus umbellatus, which enhance aquaporin-2 expression in kidney collecting ducts. Alisma orientale contributes alisol compounds that inhibit aldosterone receptors, promoting sodium excretion. Atractylodes macrocephala provides atractylone, which supports spleen qi to regulate fluid metabolism, while cinnamic aldehydes from Cinnamomum cassia improve circulation and kidney yang function.
Clinical Evidence
Limited modern clinical trials exist for Wu Ling San specifically, with most evidence coming from traditional use and small observational studies. One pilot study of 45 participants with mild edema showed 60% improvement in fluid retention symptoms over 4 weeks. Individual herb components have stronger research, with Poria cocos showing diuretic effects in animal models and Alisma demonstrating anti-inflammatory properties in vitro. More rigorous human trials are needed to establish clinical efficacy and optimal dosing protocols.
Safety & Interactions
Wu Ling San is generally well-tolerated but may cause excessive urination, electrolyte imbalance, or dehydration with prolonged use. The formula may interact with diuretic medications, potentially causing additive effects and electrolyte depletion. Individuals with kidney disease, heart conditions, or those taking blood pressure medications should consult healthcare providers before use. Safety during pregnancy and breastfeeding has not been established, so use should be avoided during these periods.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
Wu Ling WanFive-Poria PowderPoria Five PowderPolyporus FormulaFive Ingredient PowderDiuretic Powder FormulaWu Ling Tang
Frequently Asked Questions
What is the typical dosage for Wu Ling San?
Traditional dosage ranges from 3-9 grams of powdered extract daily, typically divided into 2-3 doses. Modern preparations often recommend 1-2 grams three times daily, though dosage should be adjusted based on individual response and practitioner guidance.
How long does Wu Ling San take to show effects?
Diuretic effects typically begin within 2-4 hours of administration, with peak effects occurring within 6-8 hours. For chronic conditions like edema, noticeable improvement usually occurs within 3-7 days of consistent use.
Can Wu Ling San be taken with blood pressure medications?
Wu Ling San may interact with diuretics and antihypertensive drugs, potentially causing excessive fluid loss and blood pressure drops. Consultation with a healthcare provider is essential before combining with any cardiovascular medications.
What are the main active compounds in Wu Ling San?
Key bioactive compounds include pachymic acid and β-pachyman from Poria cocos, polyporenic acids from Polyporus umbellatus, and alisol triterpenes from Alisma orientale. These compounds work synergistically to promote diuresis and reduce inflammation.
Is Wu Ling San safe for kidney disease patients?
Wu Ling San should be used cautiously in kidney disease, as its diuretic effects may strain compromised kidney function or alter electrolyte balance. Medical supervision is required, and the formula may be contraindicated in severe renal impairment.
Is Wu Ling San safe for pregnant or breastfeeding women?
Wu Ling San should be avoided during pregnancy and breastfeeding without professional guidance, as its diuretic properties and traditional use require careful evaluation by a qualified healthcare provider. The formula's fluid-regulating effects may not be appropriate during these sensitive periods when fluid balance is particularly important for maternal and fetal health.
Who would benefit most from taking Wu Ling San?
Wu Ling San is particularly beneficial for individuals experiencing edema, water retention, or urinary dysfunction related to fluid imbalance in traditional Chinese medicine theory. It is also suitable for those seeking to support kidney health and optimize fluid metabolism, especially those with fatigue linked to poor water metabolism or recurrent urinary issues.
Does Wu Ling San interact with diuretic medications?
Wu Ling San should not be combined with prescription diuretics without medical supervision, as the combined effect may lead to excessive fluid loss or electrolyte imbalances. Patients taking water pills or antihypertensive medications that have diuretic properties must consult their healthcare provider before adding Wu Ling San to avoid potentially adverse interactions.
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