Formula Pill (Wan)

Bai Zi Yang Xin Wan

Arborvitae Seed Pill to Nourish the Heart · 柏子養心丸

Also known as: Arborvitae Seed Pill to Nourish the Heart, Biota Seeds Pill to Nourish the Heart

A classical formula used to nourish the Heart and calm the mind in people experiencing poor sleep, palpitations, anxiety, forgetfulness, and night sweats caused by depletion of Blood and Yin. It works by rebuilding the body's deep reserves of Blood and nourishing fluids in the Heart, Liver, and Kidneys, providing the spirit with a stable foundation for restful sleep and emotional balance. Particularly well suited for older adults, postpartum recovery, or anyone with a long-standing pattern of deficiency.

Origin Ye Tian Shi Gynecology (16th century) — Ming dynasty, 1549 CE
Composition 13 herbs
Huang Qi
King
Huang Qi
Dang Shen
King
Dang Shen
Dang Gui
King
Dang Gui
Bai Zi Ren
Deputy
Bai Zi Ren
Suan Zao Ren
Deputy
Suan Zao Ren
Yuan Zhi
Deputy
Yuan Zhi
Wu Wei Zi
Deputy
Wu Wei Zi
Fu Ling
Deputy
Fu Ling
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Educational content Consult qualified TCM practitioners for diagnosis and treatment

Patterns Addressed

In TCM, symptoms don't appear randomly — they cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Bai Zi Yang Xin Wan is designed to correct these specific patterns.

Why Bai Zi Yang Xin Wan addresses this pattern

Bai Zi Yang Xin Wan directly targets Heart Qi deficiency, the core pattern this formula was designed to address. When Heart Qi is insufficient, the Heart loses its ability to govern Blood and house the Shen (spirit/mind), leading to palpitations, a tendency to be easily startled, and mental restlessness.

The formula uses Dang Shen (Codonopsis) and honey-prepared Huang Qi (Astragalus) as major Qi tonics to rebuild Heart and Spleen Qi. Bai Zi Ren (Arborvitae seed) and Suan Zao Ren (Sour jujube seed) directly nourish the Heart and calm the spirit. Yuan Zhi (Polygala) opens the Heart orifices and settles anxiety. Rou Gui (Cinnamon bark) provides gentle warmth to support Heart Yang, which is often weakened alongside Heart Qi. Wu Wei Zi (Schisandra) astringes leaking Qi and prevents further loss through sweating. Together, these herbs restore the Heart's capacity to house the Shen and maintain stable heart rhythm.

A practitioner would look for one or more of these signs

Palpitations

Especially upon exertion or when startled

Shortness Of Breath

Worsened by physical activity

Eye Fatigue

General tiredness and lack of vitality

Spontaneous Sweat

Sweating without exertion, indicating Qi failing to secure the exterior

Dull Pale Complexion

Reflecting insufficient Qi and Blood to nourish the face

Commonly Prescribed For

These conditions can arise from the patterns above. A practitioner would consider Bai Zi Yang Xin Wan when these conditions are specifically caused by those patterns — not for all cases of these conditions.

TCM Interpretation

In TCM, sleep depends on the Shen (spirit/mind) being properly housed in the Heart. The Heart needs adequate Blood as the material 'home' for the Shen, and sufficient Qi to maintain its governance over mental activity. When both are depleted, whether from chronic stress, overwork, prolonged illness, or aging, the Shen has nowhere to settle at night. It 'floats' restlessly, producing difficulty falling asleep, frequent waking, excessive dreaming, and unrefreshing sleep.

This type of insomnia is characteristically accompanied by fatigue, poor memory, palpitations, and a pale complexion, distinguishing it from insomnia caused by excess patterns such as Liver Fire or Phlegm-Heat, which typically present with irritability, a red face, and a thick tongue coating.

Why Bai Zi Yang Xin Wan Helps

Bai Zi Yang Xin Wan addresses insomnia at its root by rebuilding both the Qi and Blood that the Heart needs to anchor the Shen. Bai Zi Ren (Arborvitae seed) is the lead herb precisely because it nourishes the Heart and calms the spirit. It is joined by Suan Zao Ren (Sour jujube seed), which is one of the most frequently used herbs in TCM for insomnia. Yuan Zhi (Polygala) opens the Heart orifices and promotes communication between the Heart and Kidneys, which is essential for deep sleep. Meanwhile, Dang Shen and Huang Qi rebuild the underlying Qi deficiency so that the body can generate Blood and maintain restful sleep long-term. Modern pharmacological studies have shown that this formula can shorten the time to fall asleep and extend sleep duration, with significant sedative and anticonvulsant effects.

Also commonly used for

Neurasthenia

With insomnia, fatigue, poor concentration, and emotional instability

Palpitations

Functional palpitations without structural heart disease

Depression

Mild depression with insomnia and fatigue as predominant features

Menopausal Symptoms

Perimenopausal insomnia, anxiety, and palpitations with an underlying deficiency pattern

Night Sweats

Due to Qi deficiency failing to secure fluids

Poor Memory

Age-related or stress-related cognitive decline with Heart Blood deficiency

What This Formula Does

Every TCM formula has a specific set of actions — here's what Bai Zi Yang Xin Wan does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Bai Zi Yang Xin Wan is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Bai Zi Yang Xin Wan performs to restore balance in the body:

How It Addresses the Root Cause

TCM doesn't just suppress symptoms — it aims to resolve the underlying imbalance. Here's how Bai Zi Yang Xin Wan works at the root level.

This formula addresses a condition in which the Heart has become depleted in both Qi and Blood, leaving the spirit (Shen) without a stable home. In TCM, the Heart is the residence of the Shen, the aspect of consciousness responsible for awareness, sleep, emotional balance, and memory. When the Heart's Blood and Qi are sufficient, the Shen is anchored and calm. When they become depleted through chronic illness, prolonged emotional strain, overwork, or the natural decline of aging, the Shen becomes restless and unsettled.

The core pathomechanism is a deficiency pattern involving both Qi weakness and Blood/Yin insufficiency in the Heart, often extending to the Liver and Kidneys. The Heart requires Blood to house the Shen; without it, sleep becomes disturbed by vivid dreams, palpitations arise without physical exertion, and the person becomes easily startled or anxious. Qi deficiency contributes fatigue, shortness of breath, and spontaneous or night sweating, as weakened Qi cannot properly hold fluids within the body. When Blood and Yin are both depleted, dryness follows: the intestines lose moisture (causing constipation), the mouth and throat become dry, and low-grade internal heat from Yin deficiency may produce night sweats and restlessness.

In more severe or long-standing cases, the Kidneys and Liver are also affected. The Kidneys store Essence (Jing) that produces Marrow, which supports brain function and memory. The Liver stores Blood and governs the smooth flow of emotions. When all three organs are deficient in Blood and Yin, the result is a person who feels exhausted yet cannot rest, whose mind wanders yet cannot concentrate, and whose spirit is agitated yet lacks the vitality to cope.

Formula Properties

Every formula has an inherent temperature, taste, and affinity for specific organs — these properties determine how it interacts with the body

Overall Temperature

Slightly Warm

Taste Profile

Predominantly sweet and slightly bitter, with mild pungent warmth. The sweetness tonifies Qi and Blood, the bitterness settles and calms the Heart Spirit, and the slight pungency gently moves Blood.

Channels Entered

Ingredients

13 herbs

The herbs that make up Bai Zi Yang Xin Wan, organized by their role in the prescription

King — Main ingredient driving the formula
Deputy — Assists and enhances the King
Assistant — Supports or moderates other herbs
Envoy — Directs the formula to its target
Kings — Main ingredient driving the formula
Huang Qi

Huang Qi

Astragalus root

Dosage 9 - 15g
Temperature Slightly Warm
Taste Sweet (甘 gān)
Organ Affinity Spleen, Lungs
Preparation Use honey-prepared (炙) form

Role in Bai Zi Yang Xin Wan

Honey-prepared Astragalus is the principal Qi tonic in this formula. Its sweet, warm nature powerfully supplements Qi and promotes the generation of Blood, directly addressing the core deficiency of Heart Qi that underlies the pattern.
Dang Shen

Dang Shen

Codonopsis root

Dosage 6 - 9g
Temperature Neutral
Taste Sweet (甘 gān)
Organ Affinity Spleen, Lungs

Role in Bai Zi Yang Xin Wan

Codonopsis supplements the middle Qi and nourishes Blood. Working alongside Huang Qi, it strengthens the Spleen and Heart to generate Qi and Blood, forming the core tonifying strategy of the formula.
Dang Gui

Dang Gui

Chinese Angelica root

Dosage 6 - 12g
Temperature Warm
Taste Sweet (甘 gān), Acrid / Pungent (辛 xīn)
Organ Affinity Liver, Heart, Spleen

Role in Bai Zi Yang Xin Wan

Angelica root tonifies and invigorates the Blood. Its warm, sweet nature nourishes Heart Blood while gently promoting circulation, preventing Blood stasis from the formula's heavy supplementation.
Deputies — Assists and enhances the King
Bai Zi Ren

Bai Zi Ren

Arborvitae seed

Dosage 6 - 9g
Temperature Neutral
Taste Sweet (甘 gān)
Organ Affinity Heart, Kidneys, Large Intestine

Role in Bai Zi Yang Xin Wan

Biota seed nourishes the Heart and calms the spirit. Its oily, sweet nature enriches Heart Blood and settles restlessness, directly addressing palpitations, insomnia, and dream-disturbed sleep.
Suan Zao Ren

Suan Zao Ren

Sour jujube seed

Dosage 6 - 9g
Temperature Neutral
Taste Sweet (甘 gān), Sour (酸 suān)
Organ Affinity Heart, Liver, Gallbladder

Role in Bai Zi Yang Xin Wan

Sour Jujube seed nourishes Heart and Liver Blood and calms the spirit. Its sour-sweet nature astringes Qi and fluids, helping to contain night sweats and ease insomnia.
Yuan Zhi

Yuan Zhi

Polygala root

Dosage 3 - 6g
Temperature Warm
Taste Bitter (苦 kǔ), Acrid / Pungent (辛 xīn)
Organ Affinity Heart, Kidneys, Lungs
Preparation Use prepared (制) form

Role in Bai Zi Yang Xin Wan

Prepared Polygala calms the spirit, opens the Heart orifices, and facilitates communication between the Heart and Kidneys. It helps address forgetfulness and restless sleep due to Qi deficiency.
Wu Wei Zi

Wu Wei Zi

Schisandra berry

Dosage 3 - 6g
Temperature Warm
Taste Sour (酸 suān), Sweet (甘 gān)
Organ Affinity Lungs, Heart, Kidneys
Preparation Use vinegar-steamed (醋蒸) form

Role in Bai Zi Yang Xin Wan

Vinegar-prepared Schisandra berry astringes Qi and generates fluids. Its sour taste contains leaking Heart Qi, prevents sweating, and calms the spirit, strengthening the formula's ability to consolidate deficient Qi.
Fu Ling

Fu Ling

Poria

Dosage 9 - 15g
Temperature Neutral
Taste Sweet (甘 gān), Bland (淡 dàn)
Organ Affinity Heart, Lungs, Spleen, Kidneys

Role in Bai Zi Yang Xin Wan

Poria strengthens the Spleen, promotes healthy fluid metabolism, and calms the spirit. It supports the digestive system to ensure proper generation of Qi and Blood, while contributing gentle calming effects.
Zhu Sha

Zhu Sha

Cinnabar

Dosage 0.3 - 1g
Temperature Cool
Taste Sweet (甘 gān)
Organ Affinity Heart
Preparation Water-ground to extremely fine powder (水飞); NOT decocted. Mixed into the pill powder.

Role in Bai Zi Yang Xin Wan

Cinnabar is heavy and settling, used to sedate the Heart and calm the spirit. It clears Heat from the Heart and anchors restless spirit, providing immediate relief from palpitations and anxiety.
Assistants — Supports or moderates other herbs
Rou Gui

Rou Gui

Cinnamon bark

Dosage 1 - 3g
Temperature Hot
Taste Acrid / Pungent (辛 xīn), Sweet (甘 gān)
Organ Affinity Heart, Liver, Spleen, Kidneys

Role in Bai Zi Yang Xin Wan

Cinnamon bark warms the interior and disperses cold, assisting Yang and warming the channels. In this formula targeting Heart Qi deficiency with cold, it helps restore warmth to the Heart and promotes the generation and circulation of Qi and Blood.
Chuan Xiong

Chuan Xiong

Szechuan lovage rhizome

Dosage 3 - 6g
Temperature Warm
Taste Acrid / Pungent (辛 xīn)
Organ Affinity Liver, Gallbladder, Pericardium

Role in Bai Zi Yang Xin Wan

Ligusticum invigorates Blood and moves Qi. As an assistant, it ensures the Blood-tonifying herbs do not cause stagnation, keeping the circulation flowing smoothly and guiding the formula's nourishing effects throughout the body.
Ban Xia

Ban Xia

Pinellia tuber

Dosage 6 - 9g
Temperature Warm
Taste Acrid / Pungent (辛 xīn)
Organ Affinity Spleen, Stomach, Lungs

Role in Bai Zi Yang Xin Wan

Pinellia fermented mass dries dampness, transforms phlegm, and aids digestion. It protects the Spleen and Stomach from the heavy, rich tonifying herbs in the formula, ensuring they can be properly absorbed without causing bloating or dampness.
Envoy — Directs the formula to its target
Gan Cao

Gan Cao

Licorice root

Dosage 3 - 6g
Temperature Neutral
Taste Sweet (甘 gān)
Organ Affinity Heart, Lungs, Spleen, Stomach
Preparation Use honey-prepared (炙) form

Role in Bai Zi Yang Xin Wan

Honey-prepared licorice supplements Qi, benefits the Heart, and harmonizes all the herbs in the formula. It moderates harsh properties, guides the actions of the other ingredients, and contributes its own Heart-nourishing effect.

Why This Combination Works

How the herbs in Bai Zi Yang Xin Wan complement each other

Overall strategy

This formula targets Heart Qi deficiency with cold, a pattern where the Heart lacks sufficient Qi and warmth to nourish the spirit, resulting in palpitations, insomnia, and forgetfulness. The prescription strategy combines robust Qi and Blood supplementation with spirit-calming herbs, while adding warmth to dispel cold and movement to prevent stagnation from the heavy tonics.

King herbs

Honey-prepared Huang Qi (Astragalus) is the leading Qi tonic, using its sweet and warm nature to powerfully supplement Qi and promote Blood generation. Dang Shen (Codonopsis) reinforces Qi supplementation with a gentler, more moistening character. Dang Gui (Angelica) directly nourishes and mildly invigorates the Blood. Together, these three form the core axis of the formula, addressing the root cause by replenishing the Qi and Blood that the Heart needs to properly house the spirit.

Deputy herbs

Six herbs serve as Deputies, each supporting the Kings from a different angle. Bai Zi Ren (Biota seed) and Suan Zao Ren (Sour Jujube seed) are the primary spirit-calming pair, nourishing Heart and Liver Blood while settling restlessness. Zhi Yuan Zhi (prepared Polygala) opens the Heart orifices and facilitates Heart-Kidney communication, directly addressing forgetfulness. Cu Wu Wei Zi (Schisandra) astringes leaking Qi and contains sweating. Fu Ling (Poria) strengthens the Spleen to support Qi and Blood generation while gently calming the spirit. Zhu Sha (Cinnabar) is heavy and settling, used in small amounts to sedate the Heart, anchor the spirit, and provide rapid relief from acute palpitations and anxiety.

Assistant herbs

Rou Gui (Cinnamon bark) is a warming assistant that addresses the "cold" aspect of the Heart Qi deficiency pattern, assisting Yang and warming the channels so Qi and Blood can circulate properly. Chuan Xiong (Ligusticum) is a restraining assistant that invigorates Blood and moves Qi, preventing the rich supplementing herbs from causing stagnation. Ban Xia Qu (fermented Pinellia) protects the Spleen and Stomach by drying dampness and aiding digestion, ensuring the heavy tonics are absorbed without creating bloating or phlegm.

Envoy herbs

Zhi Gan Cao (honey-prepared licorice) harmonizes the entire formula, moderating the properties of the other herbs while contributing its own gentle Qi-supplementing and Heart-nourishing effects. Its sweet nature also helps direct the formula's actions toward the middle and upper body.

Notable synergies

Huang Qi paired with Dang Gui exemplifies the classical principle that Qi is the commander of Blood: supplementing Qi promotes Blood generation (similar to the Dang Gui Bu Xue Tang concept). Bai Zi Ren and Suan Zao Ren together form a powerful spirit-calming duo, with one nourishing Heart Blood and the other nourishing Liver Blood, addressing the two organs most critical for housing the spirit. The combination of warming Rou Gui with moving Chuan Xiong counterbalances the formula's rich, heavy tonics, ensuring supplementation without stagnation.

How to Prepare

Traditional preparation instructions for Bai Zi Yang Xin Wan

This formula is traditionally prepared as pills (丸剂), not as a decoction. The standard Chinese Pharmacopoeia preparation method is as follows:

Grind Zhu Sha (cinnabar) separately using the water-levigation method (水飞) to produce an extremely fine powder. The remaining twelve herbs are ground into a fine powder and thoroughly blended with the cinnabar powder. For water-honey pills (水蜜丸), use 25-40g of refined honey per 100g of powder with a suitable amount of water, form into pills, and dry. For small honey pills (小蜜丸) or large honey pills (大蜜丸), add 100-130g of refined honey per 100g of powder to form the pills.

Standard dosage: water-honey pills 6g per dose, small honey pills 9g per dose, or one large honey pill (9g) per dose, taken twice daily with warm water. Best taken after meals. Because the formula contains cinnabar, it should not be taken in excessive doses or for prolonged periods without professional guidance, and it must not be combined with bromide or iodide medications.

Common Modifications

How practitioners adapt Bai Zi Yang Xin Wan for specific situations

Added
Long Gu

Sheng Long Gu (raw Dragon Bone), 15-30g, to heavily settle the spirit

Mu Li ke

Sheng Mu Li (raw Oyster Shell), 15-30g, to anchor and calm restlessness

Long Gu and Mu Li are heavy, settling minerals that powerfully anchor the spirit and calm the Heart, reinforcing the formula's sedative effect when palpitations and anxiety are severe.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herbal formula.

Contraindications

Situations where Bai Zi Yang Xin Wan should not be used or requires extra caution

Avoid

Yin deficiency with Fire (阴虚火旺): This formula is warming in nature and contains Qi-tonifying and Blood-moving herbs. People showing signs of Yin-deficient Heat such as flushed cheeks, hot palms and soles, night sweats with a red tongue and scanty coating, or a rapid thin pulse should not use this formula, as it may worsen the internal Heat.

Avoid

Liver Yang rising (肝阳上亢): People experiencing headaches, dizziness, irritability, tinnitus, and a bitter taste in the mouth due to Liver Yang rising should not use this formula. The warm, tonifying nature of the formula may aggravate these upward-surging symptoms.

Avoid

Active external pathogen invasion (acute cold, flu, or febrile illness): Tonifying formulas like this one can trap pathogens inside the body during the early stages of an acute infection. Use should be suspended until the external condition is fully resolved.

Caution

Spleen deficiency with loose stools or diarrhea: The formula contains several rich, cloying herbs (particularly in the classical version with Shu Di Huang and Gou Qi Zi; or in the modern version with heavy doses of Dang Gui and Bai Zi Ren) that may overwhelm a weak digestive system. Use with caution and consider adding Spleen-supporting herbs.

Caution

Phlegm-Dampness obstruction: If insomnia or palpitations are caused primarily by Phlegm-Dampness (marked by a thick greasy tongue coating, chest stuffiness, nausea), this formula's nourishing nature is not appropriate and may worsen the condition.

Caution

The modern Pharmacopoeia version contains Zhu Sha (cinnabar/mercuric sulfide). Due to mercury content, this version must not be taken long-term or in excessive doses. It should not be taken concurrently with bromide or iodide medications.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Use with caution during pregnancy. The modern Chinese Pharmacopoeia version contains several herbs of concern: Chuan Xiong (川芎, Ligusticum) is a Blood-invigorating herb that promotes circulation and could theoretically stimulate uterine activity; Rou Gui (肉桂, Cinnamon bark) is a strongly warming herb that moves Blood; and Zhu Sha (朱砂, cinnabar) contains mercury, which poses risks of fetal toxicity. The official drug labeling states that pregnant women should only use this formula under medical supervision. As a general precaution, pregnant women should avoid this formula unless specifically prescribed by a qualified practitioner who has weighed the risks and benefits.

Breastfeeding

The modern Pharmacopoeia version of this formula contains Zhu Sha (cinnabar), a mineral containing mercuric sulfide. Mercury can potentially transfer into breast milk, posing a risk to the nursing infant's developing nervous system. For this reason, breastfeeding women should avoid the cinnabar-containing version or use it only under close medical supervision for short durations. The classical version (without cinnabar) is generally considered more appropriate during breastfeeding, though caution is still advised as the Blood-moving herb Chuan Xiong (in the modern version) may also theoretically affect lactation. Consult a qualified practitioner before use.

Children

This formula is not routinely recommended for young children. The official drug labeling for the modern version states that children should only use it under medical supervision and with an adult present. If a practitioner deems it appropriate for an older child (generally over 6 years), dosage should be reduced to approximately one-third to one-half of the adult dose, depending on the child's age and weight. The cinnabar (Zhu Sha) content in the modern version is of particular concern for children, as developing nervous systems are more vulnerable to mercury exposure. For pediatric sleep or anxiety issues, practitioners generally prefer milder formulas without mineral ingredients.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Bai Zi Yang Xin Wan

Cinnabar (Zhu Sha) interactions (modern Pharmacopoeia version only): The mercury in cinnabar must not be taken concurrently with bromide or iodide medications, as these can form toxic mercury compounds in the gut. Long-term use alongside any medication that is metabolized through or affects kidney function warrants monitoring, as mercury accumulation may compound nephrotoxic effects.

Gan Cao (Licorice root) interactions: The Zhi Gan Cao in this formula may interact with cardiac glycosides (digoxin) by promoting potassium loss, increasing the risk of toxicity. It may also interfere with corticosteroids (enhancing their effects and side effects), diuretics (compounding potassium depletion), and antihypertensives (due to its potential to cause sodium and water retention).

Dang Gui and Chuan Xiong interactions: Both herbs have mild Blood-invigorating properties that may potentiate the effects of anticoagulants and antiplatelet drugs (e.g. warfarin, aspirin, clopidogrel), potentially increasing bleeding risk.

Sedative interactions: The formula has demonstrated sedative and hypnotic effects in animal studies. It may potentiate the effects of benzodiazepines, barbiturates, and other CNS depressants, leading to excessive drowsiness.

Usage Guidance

Practical advice for getting the most out of Bai Zi Yang Xin Wan

Best time to take

After meals, twice daily (morning and evening). An extra dose may be taken 30 minutes before bedtime if insomnia is the primary concern.

Typical duration

Typically taken for 2 to 4 weeks as an initial course, with reassessment by a practitioner. Due to cinnabar content in the modern version, continuous use beyond 4 to 6 weeks is not recommended without medical supervision.

Dietary advice

Avoid stimulating beverages such as strong tea, coffee, and alcohol, especially before bedtime, as they can counteract the calming effect of the formula. Spicy, greasy, and heavily fried foods should be minimized, as they can generate internal Heat or obstruct digestion, working against the formula's gentle tonifying action. Favor easily digestible, nourishing foods such as congee, jujube dates, lotus seeds, longan fruit, and lightly cooked vegetables. Warm, cooked meals are preferred over cold and raw foods to support the Spleen's digestive function and help the formula work effectively.

Bai Zi Yang Xin Wan originates from Ye Tian Shi Gynecology (16th century) Ming dynasty, 1549 CE

Classical Texts

Key passages from the classical Chinese medical texts that first described Bai Zi Yang Xin Wan and its clinical use

The original formula comes from Peng Yongguang's Ti Ren Hui Bian (体仁汇编, Compilations of Materials of Benevolence for the Body, 1549 AD), later quoted in Yi Bu Quan Lu (医部全录, 1706), Volume 331. The classical text records its indication as:

「营血不足,心神失养,心悸怔忡,失眠多梦,健忘盗汗,遗泄不常」

"When the nourishing Blood is insufficient and the Heart Spirit loses its nourishment, there will be palpitations and fright, insomnia with excessive dreaming, forgetfulness, night sweats, and seminal emission."

The Gu Jin Yi Tong (古今医统, Comprehensive Medicine Past and Present) version records the indication as:

「心劳太过,合眼则梦,神不守舍,遗泄不常」

"When the Heart is overworked beyond its capacity, dreams come the moment one closes the eyes, the Spirit cannot stay settled in its residence, and seminal emission occurs irregularly."

Historical Context

How Bai Zi Yang Xin Wan evolved over the centuries — its origins, lineage, and place in the broader tradition of Chinese medicine

Bai Zi Yang Xin Wan (柏子养心丸, "Arborvitae Seed Pill to Nourish the Heart") has a complex history with two distinct lineages that share the same name but differ significantly in composition and clinical focus.

The original formula was created by the Ming Dynasty physician Peng Yongguang (彭用光) and published in his 1549 work Ti Ren Hui Bian (体仁汇编). This version is a 9-herb formula built around Bai Zi Ren, Gou Qi Zi, Shu Di Huang, Xuan Shen, Mai Men Dong, Dang Gui, Shi Chang Pu, Fu Shen, and Gan Cao. It is essentially a variation of Tian Wang Bu Xin Dan that focuses more on tonifying Blood and Yin to nourish the Heart, Liver, and Kidney. A closely related version appeared in the Gu Jin Yi Tong (古今医统) with a slightly different composition including Suan Zao Ren, Sheng Di Huang, Wu Wei Zi, Chen Sha (cinnabar), and Xi Jiao (rhinoceros horn, now banned and typically substituted).

The modern Pharmacopoeia version, codified in the Chinese Pharmacopoeia (2000 and 2010 editions), is a substantially different 13-herb formula with a distinctly warmer, more Qi-tonifying character. It includes Dang Shen, Huang Qi (honey-fried), Chuan Xiong, Dang Gui, Bai Zi Ren, Suan Zao Ren, Yuan Zhi, Wu Wei Zi, Rou Gui, Fu Ling, Ban Xia Qu, Zhi Gan Cao, and Zhu Sha. This version evolved from formulations recorded in the Quan Guo Zhong Yao Cheng Yao Chu Fang Ji (全国中药成药处方集) and shifts the clinical emphasis toward Heart Qi deficiency with cold, making it better suited for patients with cold-type Heart Qi vacuity rather than the Yin-deficient pattern of the classical version. It has become one of the most widely used patent medicines for insomnia and palpitations in modern China.

Modern Research

A published study investigating the pharmacological effects or clinical outcomes of Bai Zi Yang Xin Wan

1

Health risk assessment for human mercury exposure from Cinnabaris-containing Baizi Yangxin Pills in healthy volunteers (Pharmacokinetic study, 2024)

Journal of Ethnopharmacology, 2024

This study assessed the safety of mercury exposure from the cinnabar-containing modern version of Bai Zi Yang Xin Wan in healthy volunteers. After both single and multiple doses, researchers measured total mercury and mercury species in blood and urine. The study concluded that cinnabar-containing formulas like Bai Zi Yang Xin Wan should be used with caution, and blood mercury levels should be monitored during prolonged clinical use.

PubMed

Research on TCM formulas is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.