Roots and rhizomesTonifyingRadix Glehniae

Bei Sha Shen (Glehnia Root)

Q: What is Bei Sha Shen, and is it the same as Nan Sha Shen or ginseng?

Bei Sha Shen (北沙参) is the dried root of Glehnia littoralis F. Schmidt ex Miq., family Apiaceae. The pharmacopoeial name is Glehniae Radix . Famous production is Laiyang in Shandong and other northern coastal sands. Nan Sha Shen is an Adenophora root in the bellflower family. Ginseng is an Araliaceae Qi tonic. They are not interchangeable. A script that says only “Sha Shen” is often filled with Bei Sha Shen, but the north or south type should be named.

Q: What are the TCM properties and traditional uses of Bei Sha Shen?

According to the Chinese Pharmacopoeia, Bei Sha Shen is sweet, slightly bitter and slightly cold , enters the Lung and Stomach channels, and acts to nourish Yin and clear the Lung, and benefit the Stomach and generate fluids . It is used for Lung-heat dry cough, consumptive cough with blood-streaked sputum, Stomach Yin deficiency, fluids damaged after febrile disease, and dry throat with thirst. Its dense root is regarded as the stronger moistening of the two Sha Shen types.

Q: What is the usual dosage of Bei Sha Shen?

The common decoction dose is 5–12 g ; it may also be used in pills, powders or soups. A practitioner may raise the dose when fluids are markedly damaged. Reduce it for children and those with cold, weak digestion. It is often paired with Ophiopogon, Polygonatum odoratum and pear. Use official slices—not unlabeled “Sha Shen powder” as a daily supplement.

Q: Can Bei Sha Shen moisten the Lung and stop cough? Which cough fits?

It fits Lung-heat dryness and Yin-deficiency consumptive cough : dry cough with little sputum or blood streaks, dry throat, a red tongue with scant coat. It is the wrong herb for Wind-Cold or copious thin sputum. Feverish infection, worsening asthma or frank hemoptysis needs medical care first. Classic partners are Ophiopogon, mulberry leaf and Polygonatum odoratum, as in Sha Shen Mai Dong Tang .

Q: How do you choose and store Bei Sha Shen?

Choose slender cylindrical roots that are firm, yellowish-white, powdery on the break, with a distinctive odor and a faintly sweet taste . Laiyang Bei Sha Shen is a traditional premium grade. Store dry, protected from mold and insects; reseal after opening. Discard moldy, worm-eaten, darkened or sour pieces. Do not confuse it with spongy, fissured Nan Sha Shen. Buy only labeled Bei Sha Shen from a regulated supplier.

A practical guide to Bei Sha Shen: what it is, how Traditional Chinese Medicine uses it, the classical formulas it appears in, and who should be careful with it.

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Last reviewed Sep 25, 2026

Quick Facts

Latin Name	Radix Glehniae
Chinese Name & Pinyin	北沙參 · Bei Sha Shen
Medicinal Part	Roots and rhizomes
The herb	Bei Sha Shen is the dried root of coastal glehnia. Other names include Laiyang Shen and Liao Sha Shen. Nan Sha Shen is the root of Adenophora species and is a separate official drug. Both nourish yin and clear the Lung. Bei Sha Shen leans toward generating fluids. Nan Sha Shen leans toward transforming phlegm and boosting qi.
Nature and channels	Sweet, slightly cold. Enters the Lung and Stomach. Sweetness moistens. Slight cold clears deficiency heat in the Lung and Stomach.
Pharmacopoeia line	Nourishes yin and clears the Lung. Benefits the Stomach and generates fluids. Used for Lung-heat dry cough, consumptive cough with bloody sputum, Stomach yin deficiency, and thirst after heat damages fluids.
Pattern cues	Dry cough with little sputum. Dry throat and thirst. Lingering cough with blood-streaked phlegm. Hunger without desire to eat. Red tongue with little fluid. Peeled or scant coating.
In this article	Bei Sha Shen versus Nan Sha Shen, Mai Dong, Bai He, and Yu Zhu. Dose, the Li Lu incompatibility, and who should skip it.

What Is Bei Sha Shen?

Bei Sha Shen (北沙参; Běi Shā Shēn; Latin: Glehniae Radix; English: Glehnia root / coastal glehnia root) is the dried root of Glehnia littoralis Fr. Schmidt ex Miq. In Chinese medicine it is a yin-nourishing herb. It is sweet and slightly cold, enters the Lung and Stomach channels, and its core actions are to nourish yin and clear the Lung, and to benefit the Stomach and generate fluids. It is not Nan Sha Shen (southern adenophora root). Nan Sha Shen also transforms phlegm and boosts qi. Bei Sha Shen is more focused on Lung and Stomach yin, and more moistening.

It is used most often for three patterns:

Lung-heat dry cough — dry cough with little sputum, dry throat
Yin-deficiency consumptive cough — lingering dry cough, scant or blood-streaked phlegm
Stomach yin deficiency / fluids damaged by heat — thirst, hunger without desire to eat, dull stomach pain, dry stools

The usual decoction dose is 5–12 g. Do not combine it with Li Lu (veratrum). Wind-cold cough, cold-phlegm or damp-phlegm, and loose stools from a cold spleen are a poor match for a daily “moistening soup.”

Bei Sha Shen clears and moistens the upper and middle burners. That is why it appears in Sha Shen Mai Dong Tang, and with Mai Dong, Yu Zhu, or Bai He. It is less cloying than raw Rehmannia, but it is still sweet-cold. In deficiency-cold diarrhea it can loosen stools further.

Bei Sha Shen is not a catch-all for cough or dry mouth. In wind-cold with thin white sputum, or middle-cold with loose stools, using it alone can further weaken spleen yang. Whether it suits you should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Bei Sha Shen: Materia Medica Profile

Identification & Quality Standard

Radix Glehniae

Botanical Origin

The dried root of Glehnia littoralis Fr. Schmidt ex Miq. (Apiaceae).

Production Regions

Primarily produced in Chinese provinces of Shandong, Jiangsu, Hebei, Liaoning.

Quality Requirements

Superior medicinal material is thin and long, cylindrical, consistent, and firm, with white outer skin.

Macroscopic Features

Long cylindrical, some with branches. Externally pale yellowish-white, some with remnants of outer skin; whole herb has thin longitudinal wrinkles and longitudinal grooves, with brownish-yellow thin root scar spots. Apex often had remnants of brownish-yellow rhizome base, top is relatively thin, middle is relatively thick, base is relatively thin. Brittle texture, easily to break; fractured surface has pale yellowish-white phloem and yellow xylem. Distinctive odor; slightly sweet taste.

Authentic Regions and Quality Identification

In TCM, the geographical origin of an herb matters. The traditional premium region (Dao Di) for Bei Sha Shen (Glehnia Root) is around Laiyang in Shandong province.

Quality Markers: High-quality roots are slender, uniform, and solid, with a pale yellow-white exterior and a slightly sweet taste.
Appearance: The raw herb features fine longitudinal wrinkles and small root mark spots.
Imitations: It is important not to confuse it with look-alikes like mountain carrots (Shan Hu Luo Bu), which have noticeably thinner roots and a much darker surface color.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Sweet, Slightly bitter; Slightly coldLungStomach

1. Historical Records in Materia Medica

Ancient TCM texts have long documented the gentle yet powerful effects of this herb:

Ben Cao Hui Yan describes it as a premier medicine for the Lungs and Stomach that "nourishes without drying, moistens without stagnating," effectively clearing fire while regulating the body's Qi (vital energy).
Ben Cao Cong Xin highlights that it "specifically tonifies Lung Yin and clears Lung fire," making it a historical go-to for chronic dry coughs.

2. Evolution of TCM Understanding

Over the centuries, different physicians have emphasized varying strengths of Bei Sha Shen (Glehnia Root). Some praised its ability to deeply nourish a depleted Stomach, while others focused on its power to clear lingering heat pathogens from the Lungs.

Today, practitioners balance these historical insights, using careful diagnosis to prescribe it precisely for patients suffering from heat and Yin-deficiency, showcasing the tailored flexibility of TCM.

Core Efficacies & Traditional Applications

Traditional Functions

Nourishes yin, clears the lung, boosts the stomach, and engenders fluid. Apply to lung heat and dry-cough, pulmondeficiency due to long term cough with blood, hydrodipsia due to heat and fluid-damage.

1. Primary Focus: Nourishing Yin and Clearing the Lungs

Traditional Efficacy: Bei Sha Shen (Glehnia Root) is highly valued for nourishing Lung Yin (the body's cooling, moistening fluids) and clearing dry heat from the Lungs.
Target Symptoms: It is frequently used for conditions like dry coughs, a dry throat, excessive thirst, and hoarseness. Patients often experience a persistent, hacking cough with little to no phlegm, or phlegm that is very sticky and hard to expel.
Common Combinations: To boost its moistening power, it is commonly paired with Mai Dong (Ophiopogon Tuber) and Bai He (Lily Bulb). A classic example is the formula Sha Shen Mai Dong Tang, which effectively nourishes both the Lungs and the Stomach.
Caution: If you have a "cold" and weak digestive system (Spleen and Stomach deficiency-cold) or frequently suffer from loose stools, you should avoid self-medicating with this herb, as its cooling nature can worsen these digestive issues.

2. Secondary Focus: Benefiting the Stomach and Generating Fluids

Traditional Efficacy: It is excellent at replenishing Stomach Yin, helping to generate natural body fluids and relieve gastric dryness.
Target Symptoms: Often used when Stomach Yin is depleted, presenting as a dry mouth, mild but persistent stomach pain, and a feeling of hunger without any actual desire to eat. You might feel thirsty but drinking water doesn't seem to quench it.
Common Combinations: It works well with Shi Hu (Dendrobium Stem) and Yu Zhu (Solomon's Seal). In the classic formula Yi Wei Tang, it teams up with these herbs to deeply nourish and restore the stomach.
Caution: Individuals suffering from internal damp-phlegm blockages or severe abdominal bloating should avoid using it without professional guidance.

3. Common Herb Pairs

Bei Sha Shen + Mai Dong: Bei Sha Shen (Glehnia Root) clears and nourishes, while Mai Dong (Ophiopogon Tuber) deeply moistens the Lungs and calms irritability. Together, they form a powerful duo for treating severe Lung Yin deficiency and stubborn dry coughs. Always consult a practitioner for proper diagnosis.
Bei Sha Shen + Shi Hu: While Bei Sha Shen benefits the stomach, Shi Hu (Dendrobium Stem) adds extra fluid-generating and heat-clearing power. This pair is highly effective for restoring a damaged Stomach Yin.

Modern Research

Modern research offers useful context, but Traditional Chinese Medicine prescribes on whole-pattern diagnosis rather than isolated compounds.

1. Main Chemical Components

Modern science has identified a variety of active compounds within the plant, including coumarins, flavonoids, and polysaccharides.

Lab Observations: In vitro studies suggest these compounds possess antioxidant and anti-inflammatory properties.
Animal Studies: Research on animals has shown that it may offer protective and reparative effects for lung tissues and the stomach lining.
Clinical Need: While early research is promising, more comprehensive human clinical trials are needed to fully confirm these effects in modern medical terms.

2. Directions in Pharmacological Research

Today's pharmacological research largely mirrors its traditional TCM applications, focusing on two main systems:

Respiratory System: Scientists are exploring its potential to suppress coughs, clear mucus, and ease breathing difficulties.
Digestive System: Studies are looking into how it might promote the secretion of digestive fluids and protect the delicate gastric mucosa.

3. Limitations of Modern Research

When looking at modern studies on traditional herbs, it's important to keep a few things in mind:

Lab vs. Human Body: Results from petri dishes or animal models do not perfectly translate to complex human biology.
Whole Herb Synergy: TCM uses the whole dried root. Isolated chemical extracts or single compounds cannot fully replicate the holistic, synergistic effects of the traditional herbal decoction.
Inconsistent Methods: Different studies often use varying preparation methods and dosages, making it difficult to compare results universally.
The Big Picture: The true healing power of Bei Sha Shen (Glehnia Root) comes from how its many natural components work together, rather than relying on a single "magic" ingredient.

Comparing Similar Herbs

1. Common Ground: Bei Sha Shen vs. Nan Sha Shen

Both Bei Sha Shen (Glehnia Root) and Nan Sha Shen (Adenophora Root) are famous for nourishing Yin.
Both frequently appear in similar herbal formulas or dietary soups designed to moisten the Lungs and benefit the Stomach.
Both require careful dosage adjustments based on your individual health status.

2. Core Differences

Nature and Focus: Bei Sha Shen is slightly cold and focuses heavily on cooling, clearing, and moistening. Nan Sha Shen is milder, lighter in weight, and has the added benefit of gently tonifying Qi and resolving phlegm.
Core Strengths: Use Bei Sha Shen when the main issue is dry heat and Yin deficiency in the Lungs or Stomach. Choose Nan Sha Shen when dealing with a combination of Qi and Yin deficiency, especially if there is also lingering phlegm.
Direction of Action: Bei Sha Shen has a descending energy, helping to settle rising heat and nourish downwards. Nan Sha Shen has a slight upward, lifting energy, which helps boost Lung Qi and lift out phlegm.
Target Symptoms: Bei Sha Shen is your go-to for dry, hacking coughs and intense thirst. Nan Sha Shen is better for fatigue, weakness, and coughs that actually produce some phlegm.
Contraindications: Avoid Bei Sha Shen if you have a cold digestive system. Avoid Nan Sha Shen if you are suffering from a sudden wind-cold cough (like a standard winter chill).

3. Summary of Differences

In short: Bei Sha Shen (Glehnia Root) is a cooling specialist for nourishing the Lungs and Stomach, while Nan Sha Shen (Adenophora Root) is a gentle multitasker that boosts Qi, nourishes Yin, and helps clear phlegm. Even though they sound similar, they are not interchangeable.

Classical Formulas Containing Bei Sha Shen

Sha Shen Mai Dong Tang

沙參麥冬湯Sovereign

Formula CategoryYin-Tonifying FormulasPrimary PatternYin DeficiencyPrimary FunctionNourish Lung-Stomach Yin, generate fluidsRelated ConditionsDry Cough·Yin Deficiency Constitution·Dry Mouth & Throat

View Formula Profile Read Complete Guide

3 Formulas vs. Single Herbs

Synergy is Key: A formula is a balanced team. The healing power comes from how the herbs interact, so a single herb cannot simply replicate a full formula's effects.
Holistic Balance: The exact dosage and combination in a formula affect the entire body. Never try to mix or alter these formulas at home based on internet articles.

Diet & Daily Home Use

1. Home Recipes & Teas

Bei Sha Shen and Yu Zhu Old Duck Soup:
- Ingredients: 30 grams of Bei Sha Shen (Glehnia Root), 30 grams of Yu Zhu (Solomon's Seal), and 1 old duck.
- Method: Wash and chop the duck into pieces. Place it in a pot with the herbs, add water, and stew until the meat is tender.
- Usage: Ideal for individuals with Lung Yin deficiency and dry coughs with minimal phlegm. Enjoy 1 to 2 times a week.
- Safety Note: Avoid if you have a cold and weak digestive system. Remember, Bei Sha Shen is a medicinal herb and should not be consumed in massive quantities like a regular vegetable.
Bei Sha Shen and Mai Dong Tea:
- Ingredients: 10 grams of Bei Sha Shen (Glehnia Root) and 10 grams of Mai Dong (Ophiopogon Tuber).
- Method: Wash the herbs, place them in a cup, and steep with boiling water to drink as tea.
- Usage: Great for soothing a dry throat, excessive thirst, and Lung dryness. Drink 1 to 2 times daily.

2. Preparation & Brewing Differences

Brewing Tips: Generally, Bei Sha Shen (Glehnia Root) doesn't require complex preparation. For a home decoction, bring the water to a boil, then turn the heat down and simmer for about 20 to 30 minutes.
Formulation Matters: Keep in mind that dosages for different forms—like raw decoctions, pills, or powders—cannot be directly swapped.

3. Dosage & Usage Cycle

Standard Range: In traditional clinical prescriptions, the standard dose ranges from 9 to 15 grams. For daily dietary therapy (like teas), the dose is usually smaller, around 10 grams.
The "Less is More" Rule: Do not use it continuously for long periods. Its cooling nature can eventually damage your digestive system's "Yang" (warming energy) if overused.
Vulnerable Populations: Pregnant women, children, the elderly, and those with abnormal liver or kidney function must consult a professional before incorporating it into their routine.

Contraindications & Safety Warnings

1. Who Should Avoid It

Underlying Conditions: Strictly avoid if you have a cold-type digestive system (Spleen and Stomach deficiency-cold) or frequently experience loose stools.
Special Populations: Pregnant and nursing women, children, and the elderly should exercise caution and seek professional advice to adjust dosages properly. Individuals with liver or kidney issues must use it under medical supervision.
Allergies: Do not use if you have known allergies to plants in the parsley family.

2. Medication Clashes & Dietary Notes

Interaction Risks: Bei Sha Shen (Glehnia Root) may interact with various pharmaceutical drugs, potentially affecting how blood thinners, blood pressure medications, diabetes drugs, or sedatives work in your body. Always space out your herbal teas and medications.
Professional Review: While standard food interactions are not a major concern, the active components in herbs can interact with prescription medications. Always disclose your herbal use to your doctor or pharmacist.

3. Adverse Reactions & Overdose Risks

Common Signs: Unwanted side effects are typically mild and manifest as gastrointestinal discomfort, such as an upset stomach.
When to Seek Emergency Care: Stop usage immediately and seek medical help if you experience severe allergic reactions, persistent vomiting, difficulty breathing, changes in consciousness, or any rapid, unexplained worsening of your symptoms.

Frequently Asked Questions About Bei Sha Shen

What is Bei Sha Shen, and is it the same as Nan Sha Shen or ginseng?

Bei Sha Shen (北沙参) is the dried root of Glehnia littoralis F. Schmidt ex Miq., family Apiaceae. The pharmacopoeial name is Glehniae Radix. Famous production is Laiyang in Shandong and other northern coastal sands. Nan Sha Shen is an Adenophora root in the bellflower family. Ginseng is an Araliaceae Qi tonic. They are not interchangeable. A script that says only “Sha Shen” is often filled with Bei Sha Shen, but the north or south type should be named.

What are the TCM properties and traditional uses of Bei Sha Shen?

According to the Chinese Pharmacopoeia, Bei Sha Shen is sweet, slightly bitter and slightly cold, enters the Lung and Stomach channels, and acts to nourish Yin and clear the Lung, and benefit the Stomach and generate fluids. It is used for Lung-heat dry cough, consumptive cough with blood-streaked sputum, Stomach Yin deficiency, fluids damaged after febrile disease, and dry throat with thirst. Its dense root is regarded as the stronger moistening of the two Sha Shen types.

How does Bei Sha Shen differ from Nan Sha Shen?

Bei Sha Shen is firm and more strongly nourishes Yin and fluids—better for dry cough with little sputum, thirst and Stomach Yin dryness. Nan Sha Shen is light and spongy and also transforms phlegm and mildly tonifies Qi—better when Qi and Yin are both damaged or sputum is sticky. Classically: Bei is stronger to moisten and descend; Nan is a little stronger to clear and nourish while moving phlegm. Bei Sha Shen is slender and dense; Nan Sha Shen is thicker and hollow with fissures.

What is the usual dosage of Bei Sha Shen?

The common decoction dose is 5–12 g; it may also be used in pills, powders or soups. A practitioner may raise the dose when fluids are markedly damaged. Reduce it for children and those with cold, weak digestion. It is often paired with Ophiopogon, Polygonatum odoratum and pear. Use official slices—not unlabeled “Sha Shen powder” as a daily supplement.

What are the contraindications and incompatibilities?

Use caution in Wind-Cold cough, cold-fluid wheezing, and Spleen-Stomach deficiency-cold with loose stools. It is slightly cold and moistening and may trap an early exterior cold. Classically it is incompatible with Li Lu (Veratrum); some texts also say it antagonizes Fang Ji. Stop if bloating or diarrhea appears. Pregnant people and those with chronic illness should use it under guidance.

Can Bei Sha Shen moisten the Lung and stop cough? Which cough fits?

It fits Lung-heat dryness and Yin-deficiency consumptive cough: dry cough with little sputum or blood streaks, dry throat, a red tongue with scant coat. It is the wrong herb for Wind-Cold or copious thin sputum. Feverish infection, worsening asthma or frank hemoptysis needs medical care first. Classic partners are Ophiopogon, mulberry leaf and Polygonatum odoratum, as in Sha Shen Mai Dong Tang.

Can Bei Sha Shen nourish Stomach Yin and generate fluids?

Yes. After febrile damage to fluids or in Stomach Yin deficiency with dry mouth and throat, hunger without desire to eat, a red tongue with little coat and dry stool, it is paired with Ophiopogon, Polygonatum odoratum and Rehmannia—near Yi Wei Tang. It is a gentle clearer-nourisher, not a generic antacid. Cold Stomach pain and loose stools may worsen with it. Ulcer and reflux still need proper evaluation.

Is Bei Sha Shen used as food as well as medicine? Can it go in soup?

It is an official medicinal. In the kitchen it is often simmered in autumn-winter soups with Ophiopogon, Polygonatum odoratum, lily bulb and pear. That suits Yin deficiency with heat and dryness—not chills, loose stools or a Wind-Cold onset. Soup is adjunctive and does not replace care for Lung or Stomach disease. Use regulated slices; do not forage coastal roots as a vegetable.

Which herbs is Bei Sha Shen combined with? What are the representative formulas?

For the Lung it joins Ophiopogon, Polygonatum odoratum, mulberry leaf and Trichosanthes root in Sha Shen Mai Dong Tang. For the Stomach it joins Ophiopogon, Polygonatum odoratum and Rehmannia, near Yi Wei Tang. Consumptive cough with blood may add Chuan Bei Mu and white peony. Liver-Stomach Yin dryness may appear in Yi Guan Jian–type formulas. Write “Bei Sha Shen,” and keep Li Lu out of the same formula.

How do you choose and store Bei Sha Shen?

Choose slender cylindrical roots that are firm, yellowish-white, powdery on the break, with a distinctive odor and a faintly sweet taste. Laiyang Bei Sha Shen is a traditional premium grade. Store dry, protected from mold and insects; reseal after opening. Discard moldy, worm-eaten, darkened or sour pieces. Do not confuse it with spongy, fissured Nan Sha Shen. Buy only labeled Bei Sha Shen from a regulated supplier.

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Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.