Dan Shen: A Powerful Herb for Boosting Blood Flow and Calming the Mind
- Hongji Medical
- 2 days ago
- 4 min read
Dan Shen, known as Dan Shen in Chinese medicine, is a highly valued herb famous for improving blood circulation and calming the mind. Often called “one herb equal to four,” it has a slightly cold nature, a bitter taste, and connects to the heart and liver meridians.
It’s widely used for heart and women’s health issues. This article explores Dan Shen’s history, characteristics, uses, benefits, combinations with other herbs, comparisons to similar herbs, modern applications, and important precautions.
1. Historical Records of Dan Shen
Dan Shen has been used in Chinese medicine for centuries, with records in ancient texts. The Shennong Bencao Jing (Shennong’s Classic of Materia Medica), one of the earliest herbal texts, lists it as a top-grade herb, stating it “treats abdominal discomfort, rumbling intestines, cold and heat buildup, breaks up masses, relieves irritability, and boosts energy.”
This highlights its early use for digestive issues and energy support. The Bencao Gangmu (Compendium of Materia Medica) by Li Shizhen adds that Dan Shen “activates blood, moves blood, generates new blood, stabilizes pregnancy, removes dead fetuses, clears bad blood, regulates menstruation, treats joint pain, numbness from wind, postpartum issues, and irregular periods.”
These ancient texts confirm its ability to improve blood flow, calm the mind, and support women’s health.

2. Characteristics of Dan Shen
Dan Shen is the dried root and rhizome of the Salvia miltiorrhiza plant, part of the Lamiaceae family. It is cylindrical, slightly curved, about 10–20 cm long and 0.5–1 cm wide. The surface is reddish-brown or brownish, with vertical wrinkles and marks from smaller roots.
It’s hard and brittle, breaking easily to show a flat, pinkish or reddish-brown interior with radiating lines. It has a faint fragrance and a slightly bitter taste.
In Chinese medicine, Dan Shen is slightly cold in nature, bitter in taste, and works on the heart and liver meridians. Its key components include tanshinones, salvianolic acids, and triterpenes, which give it its unique health benefits.

3. Conditions Treated by Dan Shen
Dan Shen is used in Chinese medicine to treat several health issues:
Chest Pain, Tightness, and Palpitations: It improves blood flow to the heart, easing chest pain and heart palpitations.
Irregular Periods, Menstrual Pain, or Amenorrhea: It regulates menstruation and relieves pain, helping with women’s health issues.
Insomnia and Irritability: It nourishes blood and calms the mind, improving sleep and reducing restlessness due to blood deficiency.
Heart Disease and High Cholesterol: It enhances blood circulation and lowers cholesterol, supporting heart health.
Sores and Swelling: It reduces swelling and pain from sores by improving blood flow.
4. Benefits of Dan Shen
Dan Shen offers several key benefits:
Improving Blood Flow and Clearing Stagnation: Its main strength is enhancing blood circulation and breaking up blockages by widening blood vessels and reducing blood thickness.
Nourishing Blood and Calming the Mind: It supports heart blood, easing insomnia and palpitations caused by blood deficiency.
Regulating Menstruation and Relieving Pain: It helps with irregular periods and menstrual pain by clearing blood stagnation.
Preventing Blood Clots: It reduces platelet clumping, lowering the risk of blood clots.
Fighting Bacteria and Inflammation: It has mild antibacterial and anti-inflammatory effects, reducing infection and swelling.

5. Combinations in Herbal Formulas
In Chinese medicine, Dan Shen is often combined with other herbs to boost its effects. Here are some common formulas:
Dan Shen Yin (Dan Shen Drink): A common formula for chest pain, made with Dan Shen, sandalwood, and amomum fruit. Dan Shen improves blood flow, while sandalwood and amomum enhance circulation and relieve pain.
Compound Dan Shen Dropping Pills: An over-the-counter remedy with Dan Shen, notoginseng, and borneol, used for chest pain and heart issues.
Xiaoyao San (Free and Easy Powder): Used for irregular periods or breast pain due to liver stagnation and blood deficiency. Dan Shen pairs with angelica and white peony to soothe the liver and regulate menstruation.
Xuefu Zhuyu Tang (Blood Mansion Stasis-Expelling Decoction): Treats headaches, chest pain, or insomnia due to blood stagnation. Dan Shen works with peach kernel and safflower to clear stagnation and relieve pain6. Comparison with Similar Herbs
Other herbs in Chinese medicine also improve blood flow and clear stagnation. Here’s how Dan Shen compares:
Angelica Root (Dang Gui):
Similarities: Both improve blood flow and nourish blood.
Differences: Angelica Root focuses more on nourishing blood, while Dan Shen is better at moving blood and clearing stagnation.
Ligusticum Root (Chuan Xiong):
Similarities: Both move blood and relieve pain, including headaches and chest pain.
Differences: Ligusticum Root is stronger at promoting circulation and pain relief, while Dan Shen also calms the mind.
Safflower (Hong Hua):
Similarities: Both clear blood stagnation.
Differences: Safflower is stronger but more intense and not safe for pregnant women, while Dan Shen is gentler.
Choosing the right herb depends on the patient’s specific symptoms and condition, guided by Chinese medicine diagnosis.

7. Modern Applications and Research
Modern science has uncovered several benefits of Dan Shen:
Widening Blood Vessels: Tanshinones expand coronary and peripheral blood vessels, improving circulation.
Preventing Blood Clots: It reduces platelet clumping, lowering clot risk.
Antioxidant Effects: Salvianolic acids fight free radicals, protecting cells from damage.
Protecting the Heart: It improves blood flow to the heart, reducing damage from low oxygen.
Improving Microcirculation: It enhances small blood vessel flow, aiding tissue repair.
These findings have led to its use in modern medicine for treating heart disease, chest pain, stroke, and diabetic eye issues. It’s often found in supplements or heart health remedies.
8. Precautions
When using Dan Shen, keep these points in mind:
Correct Diagnosis: It’s best for conditions involving blood stagnation. Avoid using it if there’s no stagnation.
Proper Dosage: The typical dose is 9–15 grams per day. Too much may cause side effects like digestive issues.
Caution During Menstruation: It may increase menstrual flow, so use carefully during periods.
Avoid With Certain Drugs: It may interact with blood thinners like warfarin, so consult a doctor or pharmacist.
9. Conclusion
Dan Shen is a remarkable herb in Chinese medicine, valued for its ability to improve blood flow and calm the mind. By understanding its historical uses, characteristics, benefits, herbal combinations, comparisons to similar herbs, modern research, and precautions, we can use it effectively to support health. Whether for heart issues, menstrual problems, or insomnia, Dan Shen is a powerful ally in wellness and healing.