Food Allergies

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INGREDIENTS

Each pill contains the equiv. to dry:

White Atractylodes, root 57.7mg

Wolfporia, fruit 57.7mg

Green Dragin, rhizome 43.3mg

Nutgrass, rhiz. 43.3mg

Magnolia, bark 43.3mg

Mandarin, peel 28.8mg

Indian Costus, root 28.8mg

Tavoy Cardamom, fruit 28.8mg

Black Cardamom, fruit 24.0mg

Licorice, root 24.0mg

Store below 30°C

Contains 300 x 200mg pills.

AUSTL 483713

Made in Australia. 

Indications: food allergies, especially in children, indigestion, gastrointestinal candida.

Actions: harmonise the digestive system to promote healthy digestion.

Dosage: 8 pills before every meal. Safe to take long-term.

Children: 6 months an over 1 pill per year of age up to the age of 10 as directed above.

Treat more, not less. Treat sooner, not later.

Xiang Sha Yang Wei Tang – "Food Allergies"

A traditional Chinese herbal formula to support healthy digestion, reduce food sensitivities and strengthen the body's ability to process food

What is Xiang Sha Yang Wei Tang?

For many families, mealtimes become a source of anxiety rather than enjoyment.

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A child may complain of stomach aches after eating, become bloated, develop loose stools, lose their appetite, or seem to react differently to certain foods than everyone else in the family. Sometimes there is no obvious allergy on formal testing, yet the child still struggles with digestion.

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In Traditional Chinese Medicine (TCM), many of these children are viewed through a different lens. Rather than focusing solely on the food itself, Chinese medicine asks:

"Is the digestive system strong enough to process what is being eaten?"

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Xiang Sha Yang Wei Tang (香砂养胃汤) is a classical formula designed to strengthen digestive function while improving the movement of food through the stomach and intestines.

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At Chiron Medical we call it "Food Allergies" because many children with food sensitivities share the digestive pattern this formula was created to address. While it is not a treatment for IgE-mediated food allergy or anaphylaxis, it has traditionally been used to improve digestive resilience in children and adults who experience recurrent food intolerance, bloating and digestive upset.

A Classical Formula with Enduring Relevance

Xiang Sha Yang Wei Tang was first recorded in 1587, evolving from the classical digestive formulas of the Song and Ming Dynasties, with its roots in the tradition of strengthening the Spleen and Stomach—the organ systems responsible for transforming food into energy according to Chinese medicine.

The formula combines herbs that:

• strengthen digestion

• improve stomach function

• reduce bloating

• move stagnant food

• regulate intestinal motility

• reduce nausea

• improve appetite

For centuries it has been prescribed whenever digestion becomes sluggish, weak or easily disturbed.

Why We Call It "Food Allergies"

Many children who are described as having "food allergies" actually experience a spectrum of digestive problems that may include:

• bloating after meals

• abdominal pain

• loose stools

• constipation alternating with diarrhoea

• poor appetite

• excessive wind

• nausea

• reflux

• undigested food in the stool

• fussy eating

• tiredness after meals

Some have diagnosed food allergies, while others have food intolerances or simply immature digestive systems.

Chinese medicine does not claim to cure true food allergies. Instead, it aims to improve the body's ability to digest and tolerate food by strengthening digestive function and reducing inflammation within the gastrointestinal tract.

For many children, a healthier digestive system may mean fewer episodes of digestive discomfort and improved nutritional resilience.

What Is It Traditionally Used For?

Traditionally, Xiang Sha Yang Wei Tang is prescribed for patterns of Spleen Qi Deficiency with Dampness and Stomach Qi stagnation.

Common presentations include:

In children

• recurrent tummy aches

• bloating

• poor appetite

• picky eating

• loose stools

• recurrent diarrhoea

• mild constipation

• nausea

• reflux

• food intolerance

• frequent indigestion

• slow weight gain associated with poor digestion

• fatigue after eating

In adults

• chronic indigestion

• bloating

• gastritis

• functional dyspepsia

• irritable bowel symptoms

• nausea

• loss of appetite

• digestive weakness after illness

• recovery following prolonged antibiotic use

• digestive complaints associated with stress

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Herbs That Make the Formula

White Atractylodes Rhizome (Bai Zhu)

Traditional role

White Atractylodes is one of the principal herbs of this formula and serves as the foundation for rebuilding digestive strength. In traditional Chinese medicine it strengthens the Spleen, improves the transformation of food into nourishment and dries excessive Dampness that accumulates when digestion becomes sluggish. It is particularly valuable for people who experience bloating, poor appetite, loose stools and fatigue after eating.

Within this formula, Bai Zhu restores the digestive system's ability to process food efficiently, reducing the burden placed upon the stomach and intestines and helping prevent partially digested food from triggering further digestive irritation.

Biomedical role

Modern research has demonstrated that White Atractylodes possesses gastroprotective, anti-inflammatory and immunomodulatory properties. Experimental studies suggest it helps maintain intestinal barrier integrity, supports digestive enzyme activity and influences the composition of the gut microbiome. These actions contribute to healthier digestion while reducing the chronic intestinal inflammation that frequently accompanies food intolerance and gastrointestinal hypersensitivity.

Poria (Fu Ling)

Traditional role

Poria strengthens the Spleen while regulating the movement of fluids throughout the body. It helps relieve abdominal fullness, bloating and loose stools without placing additional strain on the digestive system. Traditionally it is also recognised for calming the Spirit, acknowledging the close relationship between emotional wellbeing and digestive health.

Within this formula, Poria provides stability to a digestive system that has become weakened through prolonged inflammation, poor diet or chronic digestive dysfunction.

Biomedical role

Modern studies have demonstrated anti-inflammatory, antioxidant and immunomodulatory effects together with beneficial influences on intestinal microbial balance. Research also suggests Poria supports healthy immune regulation within the gastrointestinal tract while reducing inflammatory activity that may contribute to chronic digestive symptoms.

Pinellia Tuber (Ban Xia)

Traditional role

Pinellia is one of Chinese medicine's principal herbs for restoring normal stomach function. It transforms Dampness and Phlegm while directing rebellious Stomach Qi downward, relieving nausea, fullness after meals and the sensation that food simply sits in the stomach.

Its inclusion reflects the understanding that healthy digestion depends upon food moving smoothly through the upper digestive tract rather than remaining stagnant.

Biomedical role

Research suggests Pinellia possesses antiemetic, gastroprotective and anti-inflammatory effects. Experimental studies indicate it may improve gastric emptying and support normal upper gastrointestinal motility, helping reduce nausea and post-prandial discomfort.

Nutgrass Rhizome (Xiang Fu)

Traditional role

Nutgrass regulates the smooth movement of Liver Qi and relieves digestive symptoms that worsen during periods of emotional stress. It reduces abdominal tension, improves digestive coordination and restores the communication between the digestive system and the body's regulatory mechanisms.

Within this formula it addresses one of the common causes of food intolerance—stress-induced disruption of normal digestive function.

Biomedical role

Modern research has demonstrated smooth muscle relaxing, anti-inflammatory and analgesic properties. Studies suggest Nutgrass influences gastrointestinal motility while reducing visceral hypersensitivity, making it particularly useful where digestive symptoms fluctuate with emotional stress.

Magnolia Bark (Hou Po)

Traditional role

Magnolia Bark moves stagnant Qi, relieves abdominal fullness and disperses the accumulation that develops when digestion slows. It is particularly useful for bloating, abdominal distension and the heavy sensation that follows eating.

Its role within the formula is to restore movement to a digestive system that has become sluggish and congested.

Biomedical role

Modern studies have demonstrated prokinetic, antimicrobial and anti-inflammatory activity. Magnolia has also been shown to improve gastric motility and reduce intestinal gas production, supporting more efficient movement of food through the digestive tract.

Aged Mandarin Peel (Chen Pi)

Traditional role

Mandarin Peel regulates Qi and strengthens digestive function while transforming Dampness. It improves appetite, relieves bloating and restores efficient movement of food through the stomach and intestines.

Within the formula it helps ensure digestion proceeds smoothly rather than becoming sluggish after meals.

Biomedical role

Research demonstrates antioxidant, anti-inflammatory and digestive stimulant properties. Studies suggest Mandarin Peel improves gastric motility, supports healthy digestive secretions and contributes to maintenance of a balanced intestinal microbiome.

Aucklandia Root (Mu Xiang)

Traditional role

Aucklandia promotes the movement of Qi throughout the digestive tract and relieves abdominal pain associated with stagnation. It restores coordinated intestinal movement while reducing cramping, bloating and discomfort after eating.

Its role is to restore harmony between digestive function and intestinal movement.

Biomedical role

Experimental research has demonstrated antispasmodic, analgesic and anti-inflammatory activity together with regulation of intestinal motility. These actions contribute to improved bowel function and reduced abdominal discomfort.

Amomum Fruit (Sha Ren)

Traditional role

Amomum awakens digestive function, improves appetite and prevents the tonic herbs within the formula from becoming overly rich. It restores healthy digestive activity while reducing bloating and improving the transformation of food into nourishment.

It ensures that rebuilding digestion does not inadvertently create further stagnation.

Biomedical role

Modern research suggests Amomum stimulates gastric emptying, supports digestive enzyme secretion and exhibits antimicrobial and anti-inflammatory properties. These actions improve digestive efficiency while enhancing tolerance to meals.

Cardamom Fruit (Bai Dou Kou)

Traditional role

Cardamom transforms Dampness, awakens the Stomach and relieves nausea. It reduces the sensation of heaviness that often follows eating and restores the natural downward movement of digestion.

Within the formula it helps food continue moving efficiently through the upper digestive tract.

Biomedical role

Research has demonstrated carminative, antimicrobial and anti-inflammatory effects together with improved gastric emptying. These actions reduce bloating and improve digestive comfort following meals.

Liquorice Root (Gan Cao)

Traditional role

Liquorice harmonises the entire prescription while strengthening digestive Qi and protecting the stomach. It moderates the actions of the companion herbs and supports recovery of an irritated digestive lining.

Its inclusion provides balance and improves the overall tolerability of the formula.

Biomedical role

Liquorice contains glycyrrhizin together with numerous flavonoids that exhibit anti-inflammatory, antioxidant and gastroprotective activity. Modern research suggests it promotes mucosal healing, regulates immune responses within the gastrointestinal tract and helps maintain the integrity of the intestinal barrier.

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Why These Herbs Work Together

Food Allergies (Xiang Sha Yang Wei Tang) is designed to restore the stomach's ability to process food efficiently rather than simply suppressing reactions after they occur. The formula recognises that digestive hypersensitivity often develops because normal gastric function has been disrupted, allowing food to stagnate, fermentation to occur and inappropriate immune activation to develop within the gastrointestinal tract.

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The combination of White Atractylodes and Poria rebuilds digestive strength while reducing excessive Dampness. Pinellia, Magnolia, Mandarin Peel, Aucklandia, Amomum and Cardamom restore the coordinated movement of food through the stomach and intestines, relieving bloating, nausea and post-meal discomfort. Nutgrass addresses the influence of emotional stress on digestive regulation, while Liquorice protects the intestinal lining and harmonises the actions of the entire prescription.

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Together these herbs strengthen digestion, restore gastric motility, improve nutrient processing and support the integrity of the intestinal barrier. Rather than merely reducing symptoms, Food Allergies (Xiang Sha Yang Wei Tang) helps rebuild the physiological environment required for healthy digestion and appropriate immune tolerance. It reflects one of the central principles of the Chiron Formula Network: healthy immunity begins with a healthy digestive system capable of recognising food as nourishment rather than as a threat.

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What Does Modern Research Say?

Although research on the complete formula is still developing, many of its constituent herbs have been investigated for:

• functional dyspepsia

• irritable bowel syndrome (IBS)

• delayed gastric emptying

• nausea

• intestinal inflammation

• gut barrier integrity

• microbiome regulation

• paediatric digestive complaints

Experimental studies suggest actions including:

• modulation of inflammatory cytokines

• improved gastrointestinal motility

• enhanced mucosal protection

• antioxidant effects

• immune regulation within the gut

Because approximately 70% of the body's immune cells reside within the gastrointestinal tract, supporting digestive health may also influence broader immune function.

Food Allergies, Food Intolerance and Gut Health

It is important to distinguish between different types of food reactions.

True food allergy

A true food allergy involves the immune system, often through IgE antibodies, and can cause rapid reactions including swelling, hives, breathing difficulty or anaphylaxis.

This is a medical emergency and requires specialist management.

Food intolerance

Food intolerance is different.

Symptoms are often digestive and may include:

• bloating

• abdominal discomfort

• diarrhoea

• constipation

• nausea

• excessive wind

Many children diagnosed with food intolerance have no evidence of IgE-mediated allergy.

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Traditional Chinese Medicine has long focused on improving digestive function in these children, rather than simply eliminating more and more foods from the diet.

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While Xiang Sha Yang Wei Tang is not a substitute for allergy management, it may support digestive health in children with functional gastrointestinal complaints and food intolerance patterns.

For Traditional Chinese Medicine Practitioners

Classical Pattern

Spleen Qi Deficiency with Damp accumulation and Stomach Qi stagnation

Typical presentation:

• poor appetite

• abdominal distension

• nausea

• loose stools

• fatigue

• pale tongue

• white greasy coating

• weak pulse

Formula Strategy

The formula simultaneously:

• Tonifies Spleen Qi.

• Harmonises the Stomach.

• Moves stagnant Qi.

• Resolves Dampness.

• Improves digestion.

• Reduces nausea.

Common Clinical Modifications

Frequently adapted for:

• recurrent childhood digestive complaints

• post-gastroenteritis recovery

• antibiotic-associated digestive disturbance

• IBS

• functional dyspepsia

• chronic bloating

• food intolerance

• anxiety-related digestive symptoms

For Medical Doctors

Proposed Biomedical Actions

Current pharmacological research suggests ingredients may influence:

• gastric emptying

• intestinal motility

• epithelial barrier integrity

• inflammatory cytokines

• gut microbiota

• vagal regulation

• oxidative stress

• mucosal healing

Bioactive compounds include:

• atractylenolides

• honokiol

• magnolol

• hesperidin

• glycyrrhizin

• polysaccharides

• volatile aromatic oils

Collectively these compounds demonstrate anti-inflammatory, prokinetic, antioxidant and immunomodulatory properties in experimental studies.

Potential Herb–Drug Considerations

Clinical monitoring is appropriate in patients taking:

• proton pump inhibitors

• prokinetic medications

• anticoagulants (general botanical precaution)

• corticosteroids (liquorice may potentiate corticosteroid effects with prolonged high-dose use)

• antihypertensive medications (large doses of liquorice may contribute to sodium retention and hypokalaemia)

The quantities of Gan Cao used within traditional formulas are generally lower than those associated with clinically significant liquorice toxicity, but individual assessment remains important, particularly in children and older adults.

Building Healthy Digestion for Life

A healthy digestive system is about far more than avoiding stomach aches.

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It is where we absorb nutrients, educate the immune system, nourish the gut microbiome and provide the energy needed for growth, learning and development.

Chinese medicine has recognised this relationship for thousands of years.

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Rather than viewing every digestive complaint as an isolated problem, it asks a broader question:

"How can we help the digestive system become stronger?"

That philosophy is why we call this formula "Food Allergies."

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Not because it replaces conventional allergy management, but because it reminds us that many children struggling with food-related symptoms need support for the digestive system itself. By improving digestive resilience, reducing bloating and helping food move comfortably through the gastrointestinal tract, Xiang Sha Yang Wei Tang aims to build a healthier foundation for lifelong wellbeing.

Key Takeaways

• Xiang Sha Yang Wei Tang is a classical digestive formula that strengthens the Spleen and Stomach while improving gastrointestinal motility.

• At Chiron Medical it is called "Food Allergies" because it is primarily intended to support children with digestive complaints associated with food intolerance and poor digestive function, not to treat IgE-mediated food allergy or anaphylaxis.

• Traditionally, it is used for poor appetite, bloating, nausea, loose stools, abdominal discomfort and functional digestive weakness.

• Modern research suggests the constituent herbs may support gut barrier function, gastrointestinal motility, microbiome balance and regulation of intestinal inflammation.

• The formula should be prescribed by a qualified practitioner after an individual assessment and should be integrated with appropriate medical evaluation where food allergy, coeliac disease, inflammatory bowel disease or other significant gastrointestinal pathology is suspected.

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Clinical Insights

Food Allergies and Digestive Sensitivity

Food Allergies is designed for people whose digestive system has become hypersensitive to foods that should normally be well tolerated.

Typical symptoms include:

• bloating

• abdominal discomfort

• food intolerance

• nausea

• intermittent loose stools

• digestive fatigue

• symptoms that fluctuate according to diet

The aim is to restore healthy digestive function and improve tolerance to everyday foods.

Food Stagnation

When symptoms occur immediately after overeating or consuming rich, fatty meals, with:

• bloating

• fullness

• belching

• offensive gas

• sluggish digestion

practitioners commonly combine:

• Bao He Tang (Bloating)

This clears retained food while Food Allergies improves the digestive environment that allowed the problem to develop.

Chronic Digestive Weakness

Where food intolerance develops because digestion has become chronically weak, with:

• fatigue after eating

• loose stools

• poor appetite

• bloating

• poor nutrient absorption

practitioners frequently combine:

• Shen Ling Bai Zhu San (Control Sugar)

This strengthens digestive function while improving long-term tolerance to food.

Cold Digestive Deficiency

Not all diarrhoea is caused by infection.

Some people experience:

• watery diarrhoea

• cold abdomen

• preference for warmth

• diarrhoea after cold food

• poor digestion

• chronic loose stools

In these situations practitioners often combine:

• Li Zhong Tang (Watery Bowels)

This combination reflects a cold, weakened digestive system, where the bowel lacks sufficient digestive warmth rather than suffering from inflammation.

Acute Gastroenteritis

When food poisoning or viral gastroenteritis develops with:

• vomiting

• nausea

• abdominal cramping

• diarrhoea

• chills

• acute stomach upset

practitioners commonly combine:

• Huo Xiang Zheng Qi Tang (Sudden Vomiting)

to rapidly settle the stomach while continuing digestive support.

Acute Enteritis or Inflammatory Diarrhoea

When symptoms progress to:

• burning diarrhoea

• offensive stools

• abdominal pain

• fever

• inflammatory bowel infection

• enteritis

practitioners frequently combine:

• Huang Lian Jie Du Tang (Sudden Diarrhoea)

This represents an acute inflammatory Heat pattern, very different from the cold digestive weakness treated by Watery Bowels.

Phlegm-Heat Affecting Digestion

Where digestive disturbance is accompanied by:

• nausea

• reflux

• heavy sensation

• thick tongue coating

• excessive mucus

practitioners commonly combine:

• Wen Dan Tang (Angry Gallbladder)

to improve gastric emptying and resolve inflammatory phlegm affecting the upper digestive tract.

Digestive Symptoms Triggered by Stress

When food intolerance consistently worsens during periods of emotional stress, practitioners often combine:

• Chai Hu Shu Gan Tang (Free Flow)

This recognises the important influence of the gut-brain axis, where emotional tension disrupts normal digestive function.

Reflux, Globus or Upper Digestive Tension

When digestive dysfunction extends upwards producing:

• reflux

• throat tightness

• difficulty swallowing

• globus sensation

practitioners may combine:

• Ban Xia Hou Po Tang (Clear the Throat)

to restore the normal downward movement of Stomach Qi.

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