Qi-Tonifying Formulas

生脉散 · Shēng Mài Sàn

Sheng Mai San

A classical three-herb formula for Qi and Yin deficiency with shortness of breath, spontaneous sweating, dry mouth and a weak thin pulse, often after summer-heat or chronic illness.

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Last reviewed August 2026
Formula CategoryQi-Tonifying Formulas
Primary PatternQi Deficiency
Primary FunctionTonify Qi, generate fluids, astringe Yin
Primary Therapeutic PrincipleAugment Qi, nourish Yin and secure leaking fluids
Main HerbsGinseng Root · Ophiopogon Tuber · Schisandra Fruit
Classical SourceNei Wai Shang Bian Huo Lun (Li Dongyuan) / Yi Xue Qi Yuan

Why This Formula?

Traditionally selected for clear Qi-Yin dual deficiency with sweating and thirst — a pure generating and astringing formula rather than summer-clearing or Middle-raising ones.

Traditionally selected for clear Qi-Yin dual deficiency with sweating and thirst — a pure generating and astringing formula rather than summer-clearing or Middle-raising ones.

Overview

What Is Sheng Mai San?

1. Origins and Development

Sheng Mai San (生脉散), or Generate the Pulse Powder, is a classical Jin-Yuan dynasty formula recorded in Li Dongyuan’s Nei Wai Shang Bian Huo Lun. It belongs to the category of formulas that tonify Qi, generate fluids, and preserve Yin.

This simple yet powerful three-herb formula addresses concurrent Qi and Yin deficiency, particularly of the Lung, often resulting from summer-heat damage, prolonged febrile illness, or chronic cough that depletes both Qi and fluids. Typical signs include shortness of breath, spontaneous sweating, dry mouth and tongue, fatigue, a weak or deficient pulse (sometimes rapid), and chronic dry cough with sparse sputum.

Combining Ren Shen as the chief herb to strongly tonify Yuan Qi and Lung Qi, Mai Men Dong to nourish Yin, moisten the Lungs, and generate fluids, and Wu Wei Zi to astringe the Lung Qi, stop sweating, and retain Essence, Sheng Mai San effectively replenishes Qi, generates Body Fluids, and restores a strong pulse.

Sheng Mai San: Tonifying Qi, Astringing Yin, Generating Fluids and Stopping Sweating — Precision Care for Cardiogenic Shock, Hypotension and Summer-Heat Injury | HJMEDICAL

2. Cardiovascular Disease

  • Coronary Heart Disease: Patients dealing with this often experience a classic qi and yin drop, leading to chest tightness, chest pain, palpitations, and getting easily winded. Sheng Mai San helps by boosting energy and moisture, which improves blood flow and oxygen to the heart muscle, strengthening its pumping power. Clinical studies show that when paired with Western medicine, it can actually reduce the frequency of angina attacks and improve EKG readings, giving patients a much better quality of life.
  • Cardiac Arrhythmia (Irregular Heartbeat): If an irregular heartbeat is caused by this specific energy/fluid deficiency, you might feel palpitations, fatigue, and sudden sweating. By replenishing qi and yin, Sheng Mai San helps smooth out the flow of blood through the heart and stabilizes the rhythm. It is especially helpful for functional arrhythmias, like premature beats or atrial fibrillation, that are rooted in exhaustion.

3. Respiratory Disease

  • Chronic Bronchitis: In the later stages of chronic bronchitis, patients are often left drained—dealing with a lingering cough, shortness of breath, spontaneous sweating, and a constantly dry mouth. Sheng Mai San steps in to rebuild immunity and hydration, which helps ease the cough, improves overall lung capacity, and reduces how often the bronchitis flares up.
  • Cor Pulmonale: This is a condition where long-term lung disease ends up damaging the heart. Patients struggle to breathe and feel profoundly exhausted. Sheng Mai San provides vital support by improving both heart and lung function. Studies show that adding this formula to standard treatments can help reduce hospital visits and improve survival rates and heart function markers.

4. Endocrine Disease

  • Diabetes: Sheng Mai San is an excellent add-on therapy for diabetic patients who show signs of qi and yin deficiency—like extreme thirst, constant hunger, frequent urination, and heavy fatigue. It helps the body regulate glucose metabolism. Clinical observations note that it can help improve blood sugar and A1C levels, while also lowering the risk of long-term diabetic complications.
Sheng Mai San

5. Other Diseases

  • Neurasthenia (Chronic Mental/Physical Fatigue): When you are completely burned out, you might face insomnia, vivid dreams, anxiety, dizziness, and a heavy mental fog. By nourishing the heart and calming the nervous system, Sheng Mai San acts as a gentle reset. It improves sleep quality, lifts mood, and eases anxiety and mild depression, helping you feel like yourself again.
  • Post-Chemotherapy and Radiotherapy Support: Cancer treatments are incredibly tough on the body, often leaving patients with nausea, severe fatigue, random sweating, and a painful dry mouth (classic qi and yin damage). Sheng Mai San is highly valued here because it drastically reduces these harsh side effects, boosts the immune system, and gives patients the strength and tolerance they need to get through their treatments comfortably.

How It Works

Herb Composition (Sovereign / Minister / Assistant / Envoy)

1. Chief Herb — Ren Shen (Ginseng)

Ren Shen is sweet, slightly bitter, and slightly warm. It works on the Spleen, Lung, Heart, and Kidney channels. It is an absolute powerhouse for boosting your core energy (original qi) and is a go-to herb for rescuing patients from severe exhaustion or physical collapse.

In Sheng Mai San, it acts as the "Chief" herb, focusing heavily on boosting qi and generating body fluids. When your body is completely drained of both energy (qi) and moisture (yin), Ren Shen quickly recharges your core. As your energy returns, your body naturally starts producing fluids again, which helps get rid of shortness of breath and deep fatigue.

Here is what modern science says:

  • It is packed with active ingredients like ginsenosides, polysaccharides, and amino acids.
  • Ginsenosides help regulate your nervous, cardiovascular, and immune systems.
  • It significantly improves your body's ability to handle stress and fights off the physical weakness caused by exhaustion.

2. Deputy Herb — Mai Dong (Ophiopogon Root)

Mai Dong is sweet, slightly bitter, and cooling in nature. It targets the Heart, Lung, and Stomach channels. It is fantastic at nourishing yin, moistening the lungs, supporting the stomach, and clearing heat from the heart to calm irritability.

Acting as the "Deputy" in Sheng Mai San, it backs up Ren Shen by strongly boosting the formula's ability to nourish yin and create fluids. It is exactly what you need when you are dealing with a dry mouth and dry throat caused by severe depletion.

Here is what modern science says:

  • It contains beneficial compounds like polysaccharides, steroidal saponins, and flavonoids.
  • These offer strong antioxidant, anti-inflammatory, and immune-boosting effects.
  • It works perfectly with Ren Shen to cool down internal heat, nourish the lungs, and restore your body's moisture balance.

3. Assistant Herb — Wu Wei Zi (Schisandra Berry)

Wu Wei Zi is sweet and sour, and warm in nature. It enters the Lung, Heart, and Kidney channels. Its main job is to "astringe" or hold things in, preventing your body's energy and fluids from leaking out (like through excessive sweating). It also supports the kidneys and calms the mind.

As the "Assistant" in Sheng Mai San, it locks down the qi and yin so they do not escape. It helps balance your system, making sure the energy and nourishment provided by the other herbs stay exactly where you need them.

Here is what modern science says:

  • It is rich in lignans, polysaccharides, and essential oils.
  • The lignans protect your liver, support your heart, and act as powerful antioxidants.
  • The polysaccharides help regulate your immune system, perfectly completing the formula's ability to lock in moisture and stop sweating.
Sheng Mai San: Tonifying Qi, Astringing Yin, Generating Fluids and Stopping Sweating — Precision Care for Cardiogenic Shock, Hypotension and Summer-Heat Injury | HJMEDICAL

4. Envoy Function — How the Formula Works Together

The real magic of Sheng Mai San lies in how these three herbs team up to create a powerful synergy:

  • Ren Shen rebuilds your foundational energy (qi), laying the groundwork for recovery.
  • Mai Dong adds essential moisture and cooling fluids (yin), amplifying the overall nourishing effect.
  • Wu Wei Zi acts as a seal, locking everything in and stopping excessive sweating so you do not lose the energy and fluids you just gained.

Together, they perfectly balance the body's energy and hydration levels. This classic team structure—Chief, Deputy, Assistant, and Envoy—shows exactly why Traditional Chinese Medicine is so brilliant. Every herb has a very specific job, and they all work smoothly together to heal the body as a complete system.

Symptoms Traditionally Associated

Clinical Presentation in TCM

1. Understanding the Root Cause (Pathomechanism)

The main issue that Sheng Mai San tackles is a combined deficiency of both your qi (energy) and yin (body fluids). This depletion usually happens when your body takes a heavy hit—like from a high fever burning up your fluids, a long-term illness wearing you down, or simply pushing yourself to the point of extreme overwork and exhaustion.

When your body's energy and moisture crash at the same time, it throws all your physiological functions out of balance. Your qi becomes too weak to warm and propel your body, and your yin cannot provide enough moisture and nourishment.

If this combined deficiency is not addressed, it can mess up how your internal organs work and trigger a domino effect of other illnesses. This is why fixing this specific energy-fluid crash is so important, and Sheng Mai San is perfectly designed to hit this exact target.

2. How the Formula Works (Actions)

Sheng Mai San acts like a master reset for your body's energy and hydration. Here is how it gets the job done:

  • Boosts Energy and Creates Fluids: By deeply replenishing your qi and yin, it helps your body naturally start making fluids again. This is exactly what you need to fight off that out-of-breath feeling, deep fatigue, and chronic dry mouth.
  • Locks in Moisture and Stops Sweating: It has an "astringent" effect, which means it helps tighten your pores to stop precious energy and fluids from leaking out through your sweat.

By combining the ability to build up your internal resources while simultaneously stopping the leaks, Sheng Mai San perfectly restores your body's balance, strengthens your resistance to illness, and helps you bounce back from severe exhaustion.

Sheng Mai San: Tonifying Qi, Astringing Yin, Generating Fluids and Stopping Sweating — Precision Care for Cardiogenic Shock, Hypotension and Summer-Heat Injury | HJMEDICAL

3. What It Treats (Indications)

Sheng Mai San is the go-to formula for people suffering from a combined lack of qi and yin. Here are the most common symptoms it effectively treats:

  • Shortness of Breath and Heavy Fatigue: When your energy is too weak to keep your body running smoothly and your fluids cannot nourish your muscles, you are left feeling completely drained, listless, and easily out of breath.
  • Spontaneous Sweating and Night Sweats: When your surface energy is weak, you might sweat randomly during the day. At night, a lack of cooling yin creates a false internal heat that pushes sweat out while you sleep. Sheng Mai San acts like a seal to stop this excessive sweating.
  • Dry Mouth and Throat: Without enough internal moisture, your throat and mouth easily dry out. The herb Mai Dong in this formula is specifically great at rehydrating these areas and generating saliva.
  • Restlessness and Insomnia: When your fluids are severely low, internal "deficiency-heat" flares up and bothers your heart and mind. This leaves you feeling agitated, restless, and unable to sleep. The formula cools this heat and calms your nervous system.

Beyond these everyday symptoms, modern practitioners also use Sheng Mai San to support patients dealing with chronic conditions rooted in this same energy-fluid drop. It has shown great results in helping manage the symptoms of coronary heart disease, irregular heartbeats (arrhythmia), chronic bronchitis, and even diabetes.

Formula Analysis

The Mechanism in Classical Theory

1. Principle of Tonifying Qi and Generating Fluids

  • Ren Shen: This is the star player for giving your energy a massive boost. It powerfully tonifies your "original qi." When your baseline energy is strong, your internal organs work properly, naturally promoting the production and healthy flow of energy, blood, and vital body fluids.
  • Mai Dong: This herb is all about deep hydration. Its sweet and cold nature cools and nourishes the yin of your Lung and Stomach, beautifully restoring the essential fluids your body has burned through.
  • The Power of Teamwork: When you combine Ren Shen and Mai Dong, you tackle both energy and hydration at the exact same time. As your energy goes up, your body naturally makes more fluids. And as your fluids replenish, your energy has a solid, healthy base to anchor onto.
  • Real-World Example: If you are dealing with shortness of breath, heavy fatigue, and a painfully dry mouth due to an energy-fluid crash, Ren Shen quickly recharges your internal battery, while Mai Dong acts like an internal moisturizer for your throat and mouth. Together, they rapidly reverse this depleted state.

2. Mechanism of Astringing Yin and Stopping Sweating

  • Locking It In: The herb Wu Wei Zi has a naturally sour and "astringent" flavor. In Chinese medicine, this means it has a tightening, gathering effect that pulls your fluids inward and stops them from leaking out of your body as sweat.
  • Protecting Your Boundaries: When your qi and yin are both weak, your body's defensive shield drops, leading to spontaneous daytime sweating or heavy night sweats. Wu Wei Zi acts like a seal, keeping your precious yin fluids safely inside while balancing your overall system.
  • Treating Root and Symptom: If someone is sweating excessively, just giving them energy or hydration isn't enough—it will just leak right back out! By adding Wu Wei Zi to the mix, Sheng Mai San stops the leak while the other herbs rebuild your reserves, tackling both the immediate messy symptom and the underlying cause.
Sheng Mai San: Tonifying Qi, Astringing Yin, Generating Fluids and Stopping Sweating — Precision Care for Cardiogenic Shock, Hypotension and Summer-Heat Injury | HJMEDICAL

3. Synergy of the Overall Composition

The true brilliance of Sheng Mai San lies in how elegantly its three ingredients work together as a team:

  • The Chief — Ren Shen: Lays the heavy foundation by powerfully rebuilding your core energy.
  • The Deputy — Mai Dong: Acts as the supportive second-in-command, replenishing moisture and boosting the formula's hydrating power.
  • The Assistant — Wu Wei Zi: Steps in to lock everything down, balancing your system and ensuring none of the newly built energy or fluids escape.

Why This Balance Matters: Because of this exact combination, boosting your energy won't accidentally dry you out, moisturizing your system won't leave you feeling sluggish or congested, and locking in fluids won't trap any lingering sickness inside. This comprehensive, perfectly balanced approach is what makes the formula so incredibly effective at restoring your body's health.

How This Formula Compares

Clinical Comparison Table

Compare Sheng Mai SanQing Shu Yi Qi TangZhu Ye Shi Gao TangBu Zhong Yi Qi Tang
Primary Function Tonify Qi, generate fluids, astringe YinClear summer-heat, benefit Qi, generate fluidsClear heat, generate fluids, benefit Qi, harmonise the StomachTonify Middle Qi, raise Yang, lift the sunken
Formula Category Qi-Tonifying FormulasQi-Tonifying FormulasHeat-Clearing FormulasQi-Tonifying Formulas
Typical TCM Pattern Qi DeficiencySummer HeatYin DeficiencySpleen Qi Deficiency
Main Conditions Fatigue & Low Energy, Spontaneous Sweating, Dry Mouth & Throat, PalpitationsFatigue & Low Energy, Fever, Dry Mouth & Throat, Poor Appetite, Spontaneous SweatingFever, Dry Mouth & Throat, Nausea, Fatigue & Low EnergyFatigue & Low Energy, Spontaneous Sweating, Poor Appetite, Diarrhea, General Lethargy, Susceptible to Colds, Spleen Qi Deficiency
Main Herbs Ginseng Root · Ophiopogon Tuber · Schisandra FruitAmerican Ginseng · Dendrobium · Ophiopogon Tuber · Coptis Rhizome · Lophatherum · Lotus Stem · Anemarrhena Rhizome · Licorice Root · Non-glutinous Rice · Watermelon RindLophatherum · Gypsum · Pinellia Rhizome · Ophiopogon Tuber · Ginseng Root · Licorice Root · Non-glutinous RiceAstragalus Root · Ginseng Root · White Atractylodes Rhizome · Chinese Angelica Root · Tangerine Peel · Cimicifuga Rhizome · Bupleurum Root · Honey-fried Licorice
Classical Source Nei Wai Shang Bian Huo Lun (Li Dongyuan) / Yi Xue Qi YuanWen Re Jing Wei (Wang Mengying, Qing dynasty) / Li Dongyuan tradition variantsShang Han Lun (Zhang Zhongjing, Eastern Han)Pi Wei Lun / Nei Wai Shang Bian Huo Lun (Li Dongyuan, Jin dynasty, ~1247–1249)

How to tell them apart

Sheng Mai San tonifies Qi-Yin and astringes. Qing Shu Yi Qi Tang clears summer-heat while benefiting Qi. Zhu Ye Shi Gao Tang clears residual heat and generates fluids. Bu Zhong Yi Qi Tang raises Middle Qi without strong fluid generation.

For educational reference only, based on traditional pattern differentiation — not a substitute for professional advice.

Clinical Modifications

Clinical Modifications for Sheng Mai San

1. For Pronounced Qi Deficiency

  • Boost the Core: If a patient's qi (energy) drop is the main issue—showing up as severe shortness of breath or heavy fatigue—we simply bump up the dose of Ren Shen to give them a stronger energy lift.
  • Add Reinforcements: We can also add Huang Qi. This sweet, slightly warm herb targets the Spleen and Lung to deeply tonify energy, raise your body's yang, and help secure your pores to stop sweating.
  • The Ultimate Energy Combo: When you pair Huang Qi with Ren Shen, they work synergistically to create a massive energy-boosting team. This is highly effective for getting deeply exhausted patients back on their feet.

2. For Pronounced Yin Deficiency

  • Increase Hydration: When yin (fluid) deficiency symptoms are taking over—like an uncomfortably dry mouth and throat—we first increase the amount of Mai Dong.
  • Bring in the Cooling Herbs: We can also add powerful yin-nourishing herbs like Sheng Di (Fresh Rehmannia Root) and Xuan Shen (Scrophularia Root).
  • How They Work: Sheng Di is fantastic at clearing heat, cooling the blood, and generating fresh fluids. Xuan Shen steps in to clear heat and resolve toxicity. Together with Mai Dong, they create an incredibly powerful hydrating and cooling effect that quickly relieves intense dryness.

3. For Severe Spontaneous Sweating or Night Sweating

  • Strengthen the Seal: If daytime or nighttime sweating is out of control, we start by upping the dose of our astringent herb, Wu Wei Zi.
  • Add Heavy Astringents: To really lock things down, we add Duan Long Gu (Calcined Dragon Bone) and Duan Mu Li (Calcined Oyster Shell).
  • Calm and Consolidate: Both of these ingredients have a heavy, settling nature. They calm the nervous system, subdue restless energy, and act as strong astringents to keep your fluids inside. Combined with Wu Wei Zi, they form an unbreakable seal to stop severe sweating in its tracks.
Sheng Mai San: Tonifying Qi, Astringing Yin, Generating Fluids and Stopping Sweating — Precision Care for Cardiogenic Shock, Hypotension and Summer-Heat Injury | HJMEDICAL

4. For Concurrent Blood Stasis

  • Get Things Moving: Sometimes, an energy and fluid crash is accompanied by sluggish blood circulation (blood stasis). In this case, we add herbs specifically designed to activate blood flow, like Dan Shen (Salvia Root) and Chuan Xiong (Ligusticum Rhizome).
  • The Roles: Dan Shen is slightly cold; it cools the blood, clears the heart to relieve agitation, and unblocks channels to stop pain. Chuan Xiong, on the other hand, is warm and spicy; it is a master at getting both blood and qi moving.
  • The Best of Both Worlds: By adding Dan Shen and Chuan Xiong to our base formula, we can safely rebuild your core energy and fluids while simultaneously clearing out vascular blockages and improving your overall blood circulation.

Modern Research

What the Science Suggests

1. Pharmacological Research

  • Historical and Clinical Context: Sheng Mai San is a classic formula recorded in texts like the Yixue Qiyuan (Origin of Medicine). Made from Ren Shen, Mai Dong, and Wu Wei Zi, its primary job is to tonify qi and generate fluids, making it perfect for dry mouth and combined qi-yin deficiency. Fun fact: The famous Qianlong Emperor reportedly used this formula for his own health preservation! Today, it is commonly used in liquid form as Sheng Mai Yin (often swapping in Dang Shen for Ren Shen) or as a modern hospital injection.
  • Cardiovascular Protection: Modern studies prove it is a powerhouse for heart health. It strengthens the heart's pumping force, improves oxygen supply, and protects against ischemia (restricted blood flow). Active components like ginsenosides help regulate overall cardiac function, boost coronary blood flow, and lower the heart's oxygen demand, effectively relieving symptoms of coronary heart disease.
  • Immunity and Anti-Aging: The formula acts as a strong immune modulator. It strengthens the body's natural resistance, boosts lymphocyte activity, and promotes antibody production, which helps fight off infections and tumors. Furthermore, it delivers notable antioxidant, anti-aging, and endocrine-regulating benefits that help slow down the aging process and keep your metabolism running smoothly.

2. Clinical Research

  • Expanding the Scope: While traditionally used for heart, lung, and endocrine issues, researchers are continually finding new applications for Sheng Mai San across different bodily systems.
  • Nervous System Benefits: By tonifying qi, nourishing yin, and regulating nerve function, this formula is showing promising results in improving both cognitive and motor functions for patients with neurological conditions like Alzheimer's disease and Parkinson's disease.
  • Digestive Health: It is increasingly used to treat stomach issues like chronic atrophic gastritis and gastric ulcers. It works by regulating gastrointestinal function and actively promoting the repair of the stomach lining to relieve discomfort.
  • Urinary System Support: For kidney issues linked to qi-yin deficiency, such as diabetic nephropathy (kidney damage from diabetes), the formula has been shown to improve key renal function markers and successfully slow down the progression of the disease.

3. Dosage Form Improvement Research

  • Modernizing Tradition: Thanks to pharmaceutical advancements, we are no longer limited to boiling raw herbs. Sheng Mai San is now widely available in modern formats like concentrated granules, capsules, tablets, and intravenous injections.
  • Targeted Delivery: The Shenmai Injection acts incredibly fast and goes straight into the system, making it a critical tool for emergency rooms and treating severe, critically ill patients. On the other hand, capsules and tablets offer a highly convenient, portable option for everyday users managing chronic conditions.
  • Enhanced Quality Control: Upgrading these dosage forms doesn't just give patients more choices; it allows manufacturers to strictly control the quality and stability of the medicine, ensuring a safer and much more reliable clinical effect every single time.
Sheng Mai San

4. Future Research Outlook

  • Deepening Pharmacological Understanding: Future research will dive deeper into exactly how the formula works at a cellular level, aiming to isolate new active ingredients that could pave the way for entirely new pharmaceutical drugs.
  • Large-Scale Clinical Trials: Expect to see more large-sample, multi-center clinical trials. These massive studies will scientifically verify the formula's safety and effectiveness across an even broader range of modern diseases.
  • High-Tech Integration: As Traditional Chinese Medicine modernizes, Sheng Mai San will be studied using cutting-edge tools like genomics and proteomics. Understanding how the formula influences our gene expression and protein regulation will completely revolutionize how we view its healing mechanisms.
  • Stricter Quality Standards: A major ongoing goal is to establish an airtight, comprehensive quality standard system. This will guarantee that the quality of Sheng Mai San remains stable and highly controllable, cementing its role as a trusted tool in modern clinical treatment.

Safety

Safety Considerations

1. Contraindications and Digestive Cautions

Sheng Mai San is mainly used for combined qi-yin deficiency and is not suitable for excess or heat patterns, as it may cause pathogenic factors to linger or worsen heat symptoms such as fever, thirst, flushed face, and restlessness. Patients with spleen-stomach weakness or indigestion should also use it cautiously, because its rich, cloying herbs may aggravate abdominal distension, loose stools, or poor digestion.

2. Dietary Advice and Special Populations

During treatment, avoid spicy, greasy, and irritating foods such as chili peppers, fried foods, strong tea, and coffee, as they may affect absorption and worsen qi-yin deficiency symptoms. Pregnant women, breastfeeding women, and children should use Sheng Mai San only under medical guidance, with dosage adjusted according to individual condition, age, and body weight.

Available Products

Where to Get It

Hoi Tin Sheng Mai San GranulesHJMEDICAL Hoi Tin Sheng Mai San (Generate the Pulse Powder) 5:1 Concentrated Granules $30.50 Nong's Sheng Mai San Extract GranulesHJMEDICAL Nong's Sheng Mai San (Generate the Pulse Powder) 5:1 Concentrated Granules $56.60 Hoi Tin Qing Shu Yi Qi Tang Extract GranulesHJMEDICAL Hoi Tin Qing Shu Yi Qi Tang (Clear Summerheat & Augment Qi Decoction) 5:1 Concentrated Granules $30.50 Nong's Qing Shu Yi Qi Tang Concentrated GranulesHJMEDICAL Nong's Qing Shu Yi Qi Tang (Clear Summerheat, Augment Qi) 5:1 Concentrated Granules $53.39 Hoi Tin Zhu Ye Shi Gao Extract GranulesHJMEDICAL Hoi Tin Zhu Ye Shi Gao Tang (Bamboo Leaf & Gypsum) 5:1 Concentrated Granules $27.71 Nong's Zhu Ye Shi Gao Tang Extract GranulesHJMEDICAL Nong's Zhu Ye Shi Gao Tang (Bamboo Leaf & Gypsum) 5:1 Concentrated Granules $56.60

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FAQ

Questions About Sheng Mai San

Q1: What are the actions of Sheng Mai San?
Sheng Mai San has the actions of tonifying Qi, nourishing Yin, generating fluids, and astringing the Lung to stop sweating. It is the classic three-herb formula for restoring Qi and Yin, particularly of the Lungs and Heart, and for “generating the pulse” when Qi and fluids have been depleted.
Q2: Which modern diseases is Sheng Mai San suited to?
Modern TCM clinical practice commonly applies it to individuals whose pattern differentiation falls within Qi and Yin deficiency, including chronic bronchitis or COPD of Qi-Yin deficiency type, certain cardiac conditions with palpitations or weakness (arrhythmia, post-myocardial infarction recovery, or heart failure of deficiency pattern), recovery after febrile illness or summerheat exhaustion, and general debility with spontaneous sweating and shortness of breath.
Q3: Is Sheng Mai San suitable for improving shortness of breath, spontaneous sweating, and dry mouth after illness or overexertion?
For presentations of shortness of breath, fatigue, spontaneous sweating (especially with exertion), dry mouth and throat, thirst, a dry red tongue with little coating, and a weak or thready pulse — in those whose pattern differentiation confirms Qi and Yin deficiency — TCM commonly applies Sheng Mai San as an adjunct. It cannot replace standard medical treatment of cardiac or respiratory conditions.
Q4: Who should not take Sheng Mai San?
Those with an unresolved exterior pathogen (early-stage cold or fever), excess Heat without Qi-Yin damage, Phlegm-Damp excess, or pure Cold deficiency patterns are generally not suitable. The formula is tonifying and astringent; using it while an external pathogen remains can trap the pathogen inside. Use should be assessed by a qualified TCM physician.
Q5: Why is the formula named “Generate the Pulse” (Sheng Mai)?
When Qi and Yin are severely depleted, the pulse becomes weak, thready, or barely perceptible. By tonifying Qi (Ren Shen), nourishing Yin and generating fluids (Mai Men Dong), and astringing to prevent further loss (Wu Wei Zi), the formula restores the substance and driving force of the pulse, hence the name “Generate the Pulse.”
Q6: Can Sheng Mai San be used both for acute collapse after sweating or heat and for chronic Qi-Yin deficiency?
Yes. Classically it treats acute Qi-Yin damage from summerheat or profuse sweating, as well as chronic Lung Qi and Yin deficiency from prolonged cough. In both situations the core pattern is depletion of Qi and fluids with spontaneous sweating and shortness of breath.
Q7: What are the main ingredients of Sheng Mai San?
The classical three-herb formula consists of Ren Shen (Ginseng) to tonify Yuan Qi and Lung Qi and generate fluids; Mai Men Dong (Ophiopogon) to nourish Yin, clear residual Heat, and moisten the Lungs; and Wu Wei Zi (Schisandra) to astringe the Lung, stop sweating, and help generate fluids. Together they form a balanced “tonify–nourish–astringe” combination.
Q8: Is Sheng Mai San suitable for long-term use?
It may be used for a period of recovery in chronic Qi-Yin deficiency under professional supervision. Because it is relatively mild and balanced, longer courses are sometimes employed, but ongoing monitoring is needed to ensure the pattern remains appropriate and that no excess or Dampness develops.
Q9: How does Sheng Mai San differ from pure Qi tonics or pure Yin tonics?
Pure Qi tonics (such as Si Jun Zi Tang) strengthen Qi but do not specifically nourish Yin or stop sweating. Pure Yin tonics moisten and nourish but lack strong Qi-tonifying and astringent power. Sheng Mai San uniquely combines Qi tonification, Yin nourishment, fluid generation, and astringency, making it ideal for simultaneous Qi and Yin depletion with sweating.
Q10: What lifestyle advice supports the use of Sheng Mai San?
Adequate rest, avoiding excessive sweating or overexertion, protecting against summerheat, maintaining gentle hydration, and eating easily digestible, nourishing foods help the formula restore Qi and Yin. Professional medical evaluation remains essential for heart or lung conditions and for recovery after serious illness.

FAQ

General Questions

How do I choose the right formula?
TCM formulas are traditionally selected according to individual pattern differentiation rather than by symptom alone. If you're not sure which formula fits your presentation, take our AI Assessment below for a personalized starting point, then confirm with a qualified TCM practitioner.
What are concentrated herbal granules?
Concentrated herbal granules are made by decocting raw herbs, then extracting and concentrating the resulting liquid into a fine granule or powder form. This preserves the same active compounds as a traditional decoction while making the herbs far easier to store, measure, and prepare.
How should I take these products?
Dissolve the recommended amount of granules in hot water, stir until fully dissolved, and drink while warm — following the dosage and frequency advised by your TCM practitioner or as stated on the product packaging.
Are concentrated herbal granules equivalent to traditional decoctions?
Concentrated granules are produced from the same herbs and processed to retain their active compounds, so they are traditionally regarded as a convenient alternative to decoctions rather than a different remedy. Some practitioners note subtle differences in strength or absorption between the two forms, so your TCM practitioner may adjust dosage accordingly.
Are your products authentic?
Yes. HJMEDICAL sources its concentrated granules exclusively from established, reputable manufacturers such as Nong's and Hoi Tin, both long-standing names in the TCM granules industry, with GMP compliance stated directly on their packaging.
Are HJMEDICAL products manufactured under GMP standards?
HJMEDICAL sources its concentrated granules from established, reputable manufacturers such as Nong's and Hoi Tin, both long-standing names in the TCM granules industry. GMP compliance for these products is stated directly on their packaging.
Do you ship internationally?
Yes — we ship worldwide! Every order goes out via Hong Kong Post, and your exact shipping cost and estimated delivery time for your address are calculated and shown right at checkout, so there are never any surprises. We also offer free shipping once your order reaches our free-shipping threshold, so it's easy to stock up on your favorite formulas and save.
Can I take more than one formula at the same time?
Some formulas are traditionally combined, while others overlap or counteract each other. We recommend checking with a qualified TCM practitioner before combining formulas, especially if you are already taking other medication.
Are these products suitable during pregnancy or breastfeeding?
Some TCM formulas are not suitable during pregnancy or breastfeeding. Please consult a qualified TCM practitioner or your doctor before use if you are pregnant, trying to conceive, or nursing.
Do these products replace medical treatment?
No. These products are traditional herbal supplements intended to support wellbeing according to TCM principles — they are not a replacement for professional medical diagnosis or treatment. Please consult a qualified TCM practitioner or licensed healthcare provider before starting, stopping, or combining any treatment, especially if you have a chronic condition.
Medical Disclaimer

For general TCM education only — not medical advice. Consult a qualified TCM practitioner or licensed healthcare provider before use, especially if pregnant, nursing, on medication, or managing a chronic condition.

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Sheng Mai San: Classic TCM Formula for Qi & Yin Deficiency, Fatigue & Shortness of Breath