# Chai Hu Shu Gan San (Bupleurum Powder to Spread the Liver)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/chai-hu-shu-gan-san-bupleurum-powder-to-spread-the-liver
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-28
**Evidence Score:** 4 / 10
**Category:** Traditional Chinese Medicine
**Also Known As:** Bupleurum Powder to Spread the Liver, Chai Hu Shu Gan Powder, CHSGS, Liver Qi Regulating Formula, Bupleurum Liver-Soothing Formula, Radix Bupleuri Hepatic Dispersion Powder, 柴胡疏肝散

## Overview

Chai Hu Shu Gan San is a traditional Chinese herbal formula containing bupleurum that regulates liver qi stagnation through saikosaponin compounds. It supports [liver detox](/ingredients/condition/detox)ification, stress reduction, and digestive function by modulating the [hypothalamic-pituitary-adrenal](/ingredients/condition/stress) axis.

## Health Benefits

- Supports liver health by promoting detoxification and improving [liver function](/ingredients/condition/detox). - Reduces stress by regulating [cortisol levels](/ingredients/condition/stress), promoting a sense of calm. - Enhances mood by balancing [neurotransmitter](/ingredients/condition/cognitive) levels, reducing symptoms of depression. - Boosts [digestive health](/ingredients/condition/gut-health) by improving bile flow, aiding in fat digestion. - Strengthens the [immune system](/ingredients/condition/immune-support) by enhancing the body's natural defenses against pathogens. - Promotes [hormonal balance](/ingredients/condition/hormonal) by regulating endocrine function, supporting overall well-being. - Improves energy levels by enhancing metabolic efficiency, reducing fatigue.

## Mechanism of Action

The primary bioactive compounds saikosaponins A and D in bupleurum modulate the [hypothalamic-pituitary-adrenal](/ingredients/condition/stress) axis, reducing cortisol secretion and [inflammatory](/ingredients/condition/inflammation) cytokines. These compounds enhance hepatic cytochrome P450 enzyme activity, promoting [liver detox](/ingredients/condition/detox)ification pathways. Additional herbs like white peony and citrus peel provide paeoniflorin and limonene, which support GABA [neurotransmitter](/ingredients/condition/cognitive) balance and bile acid synthesis.

## Clinical Summary

Small clinical trials with 30-80 participants have shown Chai Hu Shu Gan San may reduce stress markers and improve liver enzyme levels after 4-8 weeks of use. One randomized controlled trial found 20% reduction in perceived stress scores compared to placebo. However, most studies are conducted in Asian populations with traditional dosing protocols. Larger, well-controlled Western clinical trials are needed to establish definitive therapeutic benefits.

## Nutritional Profile

Chai Hu Shu Gan San is a multi-herb decoction, not a nutritional food, so macronutrient content is negligible. Key bioactive compounds include: saikosaponins A, C, and D (from Chai Hu/Bupleurum, ~2-5 mg per standard dose) which modulate [cortisol](/ingredients/condition/stress) and inflammatory cytokines; paeoniflorin (~8-15 mg per dose from Bai Shao/White Peony Root) acting as a spasmolytic and anxiolytic; volatile oils including ligustilide (~1-3 mg from Chuan Xiong/Ligusticum) with vasodilatory and analgesic properties; naringin and hesperidin (~5-10 mg from Zhi Ke/Bitter Orange) as flavonoid [antioxidant](/ingredients/condition/antioxidant)s; glycyrrhizin (~3-6 mg from Gan Cao/Licorice) with [anti-inflammatory](/ingredients/condition/inflammation) and [hepatoprotective](/ingredients/condition/detox) action. Trace minerals from herbal matrix include potassium, magnesium, and calcium in small amounts. Bioavailability of saikosaponins is moderate (~20-30%) and enhanced by co-administration with glycyrrhizin, which acts as a natural absorption enhancer. Paeoniflorin has low oral bioavailability (~3-5%) but is improved through the traditional decoction method which partially hydrolyzes glycosides.

## Dosage & Preparation

The standard dosage is 6-9 grams of the powder mixed with water, taken up to twice daily. Consult a healthcare provider before use.

## Safety & Drug Interactions

Common side effects include mild digestive upset, dizziness, and headache when starting treatment. Bupleurum may interact with immunosuppressive medications by enhancing [immune function](/ingredients/condition/immune-support) and can potentiate sedative effects of benzodiazepines. The formula should be avoided during pregnancy and breastfeeding due to insufficient safety data. Individuals with autoimmune conditions should consult healthcare providers before use due to potential immune-stimulating effects.

## Scientific Research

Limited studies exist on Chai Hu Shu Gan San, but some evidence suggests it may help with liver-related conditions and stress. Further RCTs and meta-analyses are necessary to confirm these findings.

## Historical & Cultural Context

Traditionally, Chai Hu Shu Gan San has been used in Chinese medicine to treat liver qi stagnation, emphasizing the importance of [liver health](/ingredients/condition/detox) in overall well-being.

## Synergistic Combinations

Pairs exceptionally well with: (1) Xiang Fu (Cyperus rotundus) — its alpha-cyperone synergizes with saikosaponins to enhance liver qi movement and potentiate antidepressant effects via combined serotonergic and HPA-axis modulation; (2) Yu Jin (Curcuma aromatica) — curcuminoids and germacrone complement paeoniflorin's antispasmodic action while enhancing choleretic (bile-promoting) effects for improved digestive support; (3) He Huan Pi (Albizzia bark) — its saponins and flavonoids synergize with Bupleurum's saikosaponins to amplify anxiolytic and mood-stabilizing effects through combined GABAergic modulation; (4) Dan Shen (Salvia miltiorrhiza) — tanshinones work synergistically with ligustilide from Chuan Xiong to improve hepatic microcirculation and reduce [oxidative stress](/ingredients/condition/antioxidant) via Nrf2 pathway activation; (5) Fo Shou (Citrus sarcodactylis) — its limonene and linalool enhance the formula's qi-regulating volatile oil profile and support gastric motility through cholinergic facilitation.

## Frequently Asked Questions

### What is the typical dosage of Chai Hu Shu Gan San?

Traditional dosing ranges from 6-12 grams daily of the powdered formula, typically divided into 2-3 doses. Modern standardized extracts are often taken at 400-800mg twice daily with meals.

### How long does it take for Chai Hu Shu Gan San to work?

Initial stress relief effects may be noticed within 1-2 weeks of consistent use. Liver function improvements and digestive benefits typically require 4-8 weeks of regular supplementation to become apparent.

### Can I take Chai Hu Shu Gan San with antidepressants?

This formula may interact with SSRIs and other psychiatric medications due to its effects on neurotransmitter balance. Always consult your healthcare provider before combining with prescription antidepressants or anxiety medications.

### What herbs are included in Chai Hu Shu Gan San formula?

The classic formula contains bupleurum root, white peony, citrus peel, licorice root, angelica root, atractylodes, and poria mushroom. Each herb contributes specific compounds that work synergistically for liver and stress support.

### Is Chai Hu Shu Gan San safe for long-term use?

Traditional use suggests safety for several months, but long-term studies are limited. Most practitioners recommend taking breaks every 3-4 months and monitoring liver function tests during extended use.

### Is Chai Hu Shu Gan San safe during pregnancy and breastfeeding?

Chai Hu Shu Gan San is traditionally contraindicated during pregnancy due to its liver-moving and qi-regulating properties, which may stimulate uterine activity. Women who are pregnant or breastfeeding should consult with a qualified TCM practitioner or healthcare provider before use, as safety data in these populations is limited.

### Does Chai Hu Shu Gan San interact with blood pressure or thyroid medications?

Chai Hu Shu Gan San may interact with antihypertensive medications and thyroid drugs, particularly bupleurum's effects on metabolic regulation and blood pressure. It is essential to inform your healthcare provider of concurrent medications, especially if taking blood pressure regulators or thyroid hormone replacements, to avoid potential interactions.

### What clinical research supports the use of Chai Hu Shu Gan San for mood and stress?

Several TCM studies demonstrate that Chai Hu Shu Gan San's bupleurum and white peony components support emotional regulation by modulating neurotransmitter pathways and reducing cortisol levels. However, most evidence comes from traditional use and small-scale studies rather than large-scale clinical trials in Western medicine, so additional research is needed to establish definitive efficacy.

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