Si Wu Tang - 四物汤 - Four-Substance Decoction (Capsules)

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Item Number: S175-c
Chinese Name: 四物汤, Si Wu Tang
English Name: Four-Substance Decoction
Treatment Principles: Supplements and regulates the blood, supports the liver and blood circulation, regulates menstruation.
TCM Pattern: Blood deficiency and blood stasis, irregular menstruation related to blood deficiency and blood stasis.
Potency: Full-spectrum, water-based herbal extract; concentrated 5:1 capsules.
Available in: Capsules (100 caps./bottle)and 100g Granules.

What is Si Wu Tang?

Si Wu Tang, also known as Four Substance Decoction, is a Traditional Chinese Medicine formula primarily used to nourish and regulate the blood in cases of deficiency. 

Its history dates back almost 900 years, first appearing in 1144 AD in the classic Tai Ping Huei Min Ho Chi Chu Fang.

What are the benefits of Si Wu Tang?

In Traditional Chinese Medicine (TCM), Si Wu Tang is often used for conditions involving blood deficiency and stagnation, including amenorrhea, dysmenorrhea and painful menstruation.

Si Wu Tang is also commonly used for anemia, chronic fatigue, and postpartum recovery. Some practitioners recommend it for autoimmune disorders and fertility issues, given its purported blood enriching properties.

What is the dosage and method for taking Si Wu Tang?

The generally recommended dosage of Si Wu Tang in capsule form is four capsules, two to three times daily; or as loose granules, 4.5 g mixed with hot water, 2-3 times per day. However, always follow your healthcare provider's instructions, as the dosage can vary based on your condition and response to treatment.

Please see What's the Recommended Dosage for Granule Herbs? for more information.

When can I expect to see results?

Si Wu Tang typically starts to take effect within days. However, like all treatments, its efficacy can vary from person to person.

Does Si Wu Tang have any side effects?

While Si Wu Tang is generally considered safe for most people, it can cause side effects in some individuals. Women who are pregnant, nursing, or postpartum as well as people with liver disease, should avoid or use Si Wu Tang with caution.

As with any Chinese herb, we recommend consulting with a qualified practitioner of traditional Chinese medicine (TCM) about Si Wu Tang before any course of treatment is started. 

Where to buy Si Wu Tang

For practitioners, Treasure of the East offers full-spectrum Si Wu Tang Capsules (100 caps./bottle) and 100g Granules.

If you’re a consumer looking to purchase Si Wu Tang, look for suppliers who provide clear information about the product's origin, purity, and testing procedures to ensure you're getting a high-quality product. Please read Where to Buy Chinese Herbs Safely for more tips on how to source herbs safely.

Si Wu Tang from Treasure of the East is:
✔️ ISO Lab Tested & GMP Certified
✔️ Bio-Authentic with Full Traceability
✔️ Sustainably Sourced from Dao Di Farms


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Treasure of the East’s herbal extracts are full-spectrum, water-based extracts produced by Tianjiang Pharmaceutical. Unlike standardized extracts, which contain a concentrated quantity of a single marker chemical, full-spectrum herbal extracts contain all the active chemical constituents of whole herbs in concentrated form.  Treasure of the East herbs are full-spectrum and extracted using only purified water (more information).

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