Formula

Yi Guan Jian

Linking Decoction | 一贯煎

Also known as:

Effective Integration Decoction , Liver-Reinforcing Decoction , Glehnia and Rehmannia Formula

Properties

Yin-tonifying formulas · Cool

Key Ingredients

Shu Di huang

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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About This Formula

Traditional Chinese Medicine background and properties

Formula Description

A classical formula designed to deeply nourish and moisten the Liver and Kidneys while gently restoring the smooth flow of Liver Qi. It is used for people experiencing rib-side or chest pain, acid reflux, bitter taste in the mouth, dry throat, and emotional tension that arise when the body's fluids and blood become depleted, leaving the Liver dry and unable to function smoothly.

Formula Category

Main Actions

  • Nourishes Liver and Kidney Yin
  • Soothes Liver Qi
  • Nourishes Blood and softens the Liver
  • Generates fluids
  • Clears depressive Heat from the Liver

TCM Patterns

In TCM, symptoms don't appear randomly — they cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Yi Guan Jian is traditionally associated with these specific patterns.

The following describes this formula's classification within Traditional Chinese Medicine theory and is provided for educational purposes only.

Why Yi Guan Jian addresses this pattern

This is the primary pattern Yi Guan Jian addresses. When the Yin of the Liver and Kidneys becomes depleted, the Liver loses its material foundation. The Liver's nature is described as 'body Yin, function Yang,' meaning it depends on a rich supply of Blood and Yin to maintain its smooth regulatory function. Without adequate Yin, the Liver becomes dry and tense, its Qi stagnates, and it may flare upward or invade the Stomach sideways. Sheng Di Huang and Gou Qi Zi directly replenish Liver-Kidney Yin and Essence, while Dang Gui nourishes and moves the Blood. Bei Sha Shen and Mai Dong restore fluids to the Lung and Stomach, indirectly supporting the Liver through inter-organ relationships. This comprehensive Yin restoration allows the Liver's Qi to self-regulate, resolving the stagnation at its root rather than merely dispersing it.

A practitioner would look for one or more of these signs

Hypochondriac Pain

Rib-side and chest pain that worsens with stress or emotional upset

Dry Mouth

Dry throat and mouth from depleted fluids

Acid Reflux

Acid reflux or sour taste due to Liver Qi invading the Stomach

Bitter Taste In The Mouth

Bitter taste in the mouth from depressed Liver Heat

Night Sweats

Possible night sweats and low-grade heat sensations from Yin deficiency

How It Addresses the Root Cause

The Liver is described in TCM as an organ whose substance is Yin (it stores Blood) but whose function is Yang (it ensures the smooth flow of Qi throughout the body). When the Yin of the Liver and Kidneys becomes depleted, whether from chronic illness, emotional strain, aging, or overwork, the Liver loses its internal moisture and nourishment. Without adequate Yin to anchor and soften it, the Liver's Qi can no longer flow smoothly. This is a crucial distinction: the Qi stagnation here is not caused by emotional suppression or external constraint, but arises because the Liver's own substance has withered. A dried-out Liver becomes rigid and tense, and its Qi naturally becomes stuck.

When the stagnant Liver Qi rebels sideways, it invades the Stomach, producing symptoms like flank and chest pain, acid reflux, and a bitter taste in the mouth. Meanwhile, the Yin deficiency itself manifests as dryness: a parched throat, dry mouth, a red tongue with little coating, and a thin or wiry-weak pulse. The standard clinical approach to Liver Qi stagnation uses acrid, aromatic, Qi-moving herbs, but in this situation those herbs would be disastrous. They are drying by nature, and would deplete the already-exhausted Yin fluids further, making the stagnation progressively worse. Yi Guan Jian addresses this problem at its root: rather than forcing the Qi to move, it replenishes the Yin and Blood that the Liver needs to function. Once the Liver's substance is restored, its Qi naturally regains its smooth, free-flowing character.

Formula Properties

Temperature

Cool

Taste Profile

Predominantly sweet and slightly bitter — sweet herbs (Rehmannia, Goji, Ophiopogon, Glehnia, Angelica) nourish Yin and generate fluids, while the single bitter herb (Toosendan) drains Liver Heat and moves stagnant Qi.

Target Organs
Liver Kidneys Stomach Lungs
Channels Entered
Liver Kidney Lung Stomach

Formula Origin

Xù Míng Yī Lèi Àn (《续名医类案》Continuation of Famous Physicians' Cases Organized by Categories), Volume 18, by Wèi Zhīxiù (魏之琇)

This is just partial information on the formula's TCM properties. More detailed information is available on the formula's dedicated page

Ingredients in Yi Guan Jian

Detailed information about each herb in Yi Guan Jian and their roles

Kings
Deputies
Assistants
Shu Di huang
Shu Di huang

Prepared rehmannia

Dosage: 18 - 30g

Temperature Warm
Taste Sweet
Organ Affinity Kidneys, Liver
Parts Used Prepared dried root tuber
Role in Yi Guan Jian

Used in the largest dose, Sheng Di Huang is the principal herb. It richly nourishes Yin and Blood, replenishes the Liver and Kidneys, cools Heat from deficiency, and generates fluids. This embodies the classical strategy of 'nourishing Water to moisten Wood' (zi shui han mu), meaning that by restoring Kidney Yin, the Liver receives the nourishment it needs to function smoothly.

Dang Gui
Dang Gui

Dong quai

Dosage: 9 - 12g

Temperature Warm
Taste Pungent, Sweet
Organ Affinity Heart, Liver, Spleen
Parts Used Dried root
Role in Yi Guan Jian

Nourishes and harmonizes Blood, supplements the Liver, and softens its tendency to become tense and constrained. Its mildly warm and dispersing quality prevents the large team of cold, moistening herbs from becoming overly stagnating, keeping the formula gently moving.

Gou Qi Zi
Gou Qi Zi

Goji berries

Dosage: 9 - 18g

Temperature Neutral
Taste Sweet
Organ Affinity Kidneys, Liver
Parts Used Dried ripe fruit
Role in Yi Guan Jian

Directly tonifies Liver and Kidney Yin and nourishes the Blood and Essence stored in the Liver. Works alongside Sheng Di Huang to replenish the root deficiency, while its sweet and neutral nature makes it gentle on the Stomach.

Bei Sha Shen
Bei Sha Shen

Glehnia roots

Dosage: 9 - 12g

Temperature Cool
Taste Bitter, Sweet
Organ Affinity Lungs, Stomach
Parts Used Dried root
Role in Yi Guan Jian

Nourishes Lung and Stomach Yin and generates fluids. By strengthening the Lung (Metal element), it applies gentle regulatory control over the Liver (Wood element) through the classical 'Metal restrains Wood' relationship, helping to calm overactive Liver Qi from an inter-organ perspective.

Mai Dong
Mai Dong

Dwarf lilyturf roots

Dosage: 9 - 12g

Temperature Cool
Taste Bitter, Sweet
Organ Affinity Heart, Lungs, Stomach
Parts Used Dried root tuber
Role in Yi Guan Jian

Nourishes Stomach and Lung Yin, generates fluids, and clears mild deficiency Heat. Pairs with Bei Sha Shen to address dryness in the upper body (dry throat, dry mouth) and to support the Stomach's fluid-producing function, which indirectly nourishes the Liver.

Chuan Lian Zi
Chuan Lian Zi

Sichuan chinaberries

Dosage: 4.5 - 6g

Temperature Cold
Taste Bitter
Organ Affinity Spleen, Liver, Small Intestine
Parts Used Dried ripe fruit
Role in Yi Guan Jian

The only Qi-moving herb in the formula, used in a deliberately small dose. It courses the Liver, regulates Qi flow, clears constrained Liver Heat, and stops pain. Its bitter and cold nature drains the depressed Heat that arises from Yin deficiency. Embedded within the large group of sweet moistening herbs, its drying tendency is completely neutralized, leaving only its beneficial Qi-moving action.

Modern Research (4 studies)

  • Comprehensive Review of Yiguan Jian: Phytochemistry, Quality Control, Clinical Applications, Pharmacology, and Safety (Review, 2023)
  • Active Ingredients and Action Mechanisms of Yi Guan Jian Decoction in Chronic Hepatitis B Patients with Liver Fibrosis (Network Pharmacology + In Vitro Study, 2019)
See all research on the formula page

Usage & Safety

How to use this formula and important safety information

Important Medical Disclaimer

The information provided here is for educational purposes only and is not intended as medical advice or to replace consultation with a qualified healthcare professional. This formula is a dietary supplement and has not been evaluated by the FDA. It is not intended to diagnose, treat, cure, or prevent any disease.

Always consult with a qualified healthcare provider, particularly if you are pregnant, nursing, have a medical condition, or are taking other medications. Discontinue use and consult your healthcare provider if you experience any adverse reactions.

Recommended Dosage

Instructions for safe storage and consumption

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Best Time to Take

30 minutes to 1 hour after meals, twice daily (morning and evening), to reduce the risk of stomach upset from the cool, Yin-nourishing herbs.

Typical Duration

Typically taken for 2 to 8 weeks, with reassessment by a practitioner. Chronic conditions may require longer courses with periodic breaks.

Dietary Advice

Avoid spicy, hot, greasy, and fried foods, which can generate Heat and further deplete Yin. Alcohol should be avoided as it produces Damp-Heat and stresses the Liver. Favor foods that nourish Yin and moisten dryness: pears, lily bulbs, black sesame, walnuts, mulberries, congee, and lightly cooked vegetables. Sour-flavored foods like small amounts of vinegar or hawthorn can gently support the Liver. Avoid excessive consumption of raw, cold foods, as the formula is already cool in nature and the Spleen should not be burdened. Coffee and strong tea should be minimized, as they can aggravate irritability and deplete fluids.

Modern Usage

Yi Guan Jian is classified as a tonic and has the effects of nourishing Yin and soothing the Liver. It is primarily used to treat patterns of Liver and Kidney Yin Deficiency with Liver Qi Stagnation. Symptoms include pain in the chest and hypochondria, acid reflux, vomiting of bitter fluids, dry throat and mouth, a red tongue with little moisture, and a thin, weak, or wiry pulse. It is also used to for hernia and abdominal masses.
Clinically, this formula is mainly used to treat conditions such as chronic hepatitis, chronic gastritis, gastric and duodenal ulcers, intercostal neuralgia, and neurasthenia in patients with Yin Deficiency and Liver Qi Stagnation.

Special Populations

Pregnancy

Use with caution during pregnancy. Chuan Lian Zi (Toosendan Fruit) is classified as slightly toxic (小毒) in the Chinese Pharmacopoeia, and its safety in pregnancy has not been established. While Yi Guan Jian is not a strongly contraindicated formula in pregnancy (it contains no abortifacient or strongly Blood-moving herbs), the presence of Chuan Lian Zi warrants caution. Sheng Di Huang (raw Rehmannia) is very cold in nature, which may also be a concern in pregnancy where cold herbs are generally used conservatively. Pregnant women should only take this formula under direct supervision of a qualified practitioner who can assess the risk-benefit ratio for their specific situation.

Breastfeeding

No specific contraindication for breastfeeding has been established for Yi Guan Jian. The formula consists primarily of mild Yin-nourishing herbs (Rehmannia, Ophiopogon, Glehnia, Goji berry, Angelica) that are not known to be harmful during lactation. The main concern is Chuan Lian Zi (Toosendan Fruit), which is classified as slightly toxic and whose transfer into breast milk has not been studied. As a precaution, breastfeeding mothers should use this formula only under the guidance of a qualified practitioner, and the dosage of Chuan Lian Zi should be kept conservative.

Pediatric Use

Yi Guan Jian is not commonly used in pediatric practice, as the pattern it addresses (Liver-Kidney Yin deficiency with Qi stagnation) is more typically seen in adults. If used in older children or adolescents who present with a clear Yin-deficient Liver pattern, dosages should be reduced to approximately one-third to one-half of adult doses depending on age and body weight. Chuan Lian Zi is classified as slightly toxic and should be used with particular caution in children; reduce its proportion or substitute with a milder Qi-regulating herb if needed. This formula is generally not appropriate for young children (under age 6). Use should always be supervised by a qualified practitioner.

Drug Interactions

Chuan Lian Zi (Toosendan Fruit): This herb is classified as slightly toxic in the Chinese Pharmacopoeia and contains compounds (toosendanin) that may have hepatotoxic potential at high doses or with prolonged use. People taking hepatotoxic medications (acetaminophen, statins, methotrexate, anti-tuberculosis drugs) should exercise caution, as there may be an additive risk of liver injury.

Sheng Di Huang (raw Rehmannia) and Dang Gui (Angelica sinensis): Both herbs have mild blood-nourishing and blood-moving properties. Patients on anticoagulant or antiplatelet medications (warfarin, heparin, aspirin, clopidogrel) should be monitored, as there is a theoretical risk of increased bleeding tendency.

Dang Gui (Angelica sinensis): Contains coumarin-like compounds and may potentiate the effects of warfarin. Patients on warfarin should have their INR monitored more closely if taking this formula.

General note: The formula's Yin-nourishing, cooling nature may theoretically interact with immunosuppressants or drugs metabolized heavily through the liver. Patients on complex medication regimens should consult both their prescribing physician and a qualified TCM practitioner before using this formula.

Contraindications

Avoid

Phlegm-Dampness or fluid retention (停痰积饮) with a white greasy tongue coating and deep wiry pulse. The formula is predominantly sweet and cloying, which can worsen Dampness and obstruct Qi flow.

Caution

Spleen and Stomach Yang deficiency with cold signs such as loose stools, poor appetite, and cold limbs. The formula's cool, Yin-nourishing nature may further impair Spleen function.

Caution

Liver Qi stagnation without underlying Yin deficiency. If the root problem is simple Qi stagnation rather than Yin depletion, standard Qi-moving formulas are more appropriate.

Caution

Excess-type Liver Fire or Liver-Gallbladder Damp-Heat conditions. This formula nourishes deficiency and is not designed to drain substantial excess Heat or Dampness.

Caution

Pre-existing liver impairment with sensitivity to Chuan Lian Zi (Toosendan Fruit). Chuan Lian Zi is classified as slightly toxic in the Chinese Pharmacopoeia and prolonged or high-dose use may stress the liver.

Cautions & Warnings

Although this formula is typically safe for most individuals, it may cause side effects in some people. Pregnant women, nursing mothers, postpartum women, and those with liver disease should use the formula with caution.

As with any Chinese herbal remedy, it is advisable to seek guidance from a qualified TCM practitioner before beginning treatment.

Product Details

Manufacturing, supplier, and product specifications

Product Type

Granules

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Treasure of the East

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