Xin Yi San - 辛夷散 - Magnolia Flower Formula (Granules)

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Full-spectrum, water-based herbal extract; concentrated 5:1 granules (100g/bottle).

Item Number: X125
Chinese Name: 辛夷散, Xin Yi San
English Name: Magnolia Flower Formula
Formula Principles: Expels Wind-cold, unblocks the nasal passages
TCM Pattern: Wind-cold with sinus congestion

Full-spectrum, water-based herbal extract; concentrated 5:1 granules.
Dosage: Mix 4.5 g in hot water and drink as tea, 2-3 daily. 
Available in:
Granules (100g/bottle)

What is Xin Yi San?

Xin Yi San, also known as Magnolia Flower Formula, is a classical TCM formula used for sinus congestion caused by a TCM pattern of Wind-Cold.

This formula, comprised of nine herbal ingredients, is used to dispel wind and open the nasal passages.

What are the benefits of Xin Yi San?

Xin Yi San is traditionally used in Chinese medicine to dispel wind, disperse cold, eliminate dampness, and stop painful obstruction in the sinuses.

Xin Yi San may be used to address sinus congestion, sinus headaches, nasal discharge, and other discomforts related to seasonal allergies or the common cold.

What is the dosage and method for taking Xin Yi San?

The generally recommended dosage of Xin Yi San 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?

Xin Yi San typically starts to take effect within days. However, like all treatments, its efficacy can vary from person to person.

Does Xin Yi San have any side effects?

While Xin Yi San 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 Xin Yi San with caution.

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

Where to buy Xin Yi San

For practitioners, Treasure of the East offers full-spectrum Xin Yi San granules (100g/bottle).

If you’re a consumer looking to purchase Xin Yi San, 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.

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


Xin Yi Magnolia Flower
Gao Ben Chinese Lovage Rhizome
Sheng Ma Cimicifuga Rhizome
Chuan Xiong Chuanxiong Rhizome
Ze Xie Alisma Rhizome
Fang Feng Saposhnikovia Root
Qiang Huo

Notopterygium Rhizome and Root

Gan Cao (Mi) Licorice Root (Processed)
Bai Zhi Dahurian Angelica Root


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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