Si Miao San


Yep, this is the formula mentioned in the article at the New York Times. See dosing suggestions below.

NOTE: this formula is not for all arthritis cases. Please see our nifty new Eagle Herbs Flowchart of Joint Health Formulas.

Alternative Names

  • Four Wonderful Powder
  • Four Marvels Pill
  • Four-Marvels Pill
  • Si Miao Wan
  • Si Miao San

This is an important Chinese herbal formula that regulates the blood circulation in the lower half of the body while also stimulating the fluid metabolism. Together, these actions effectively address temporary pain and swelling of the joints in the legs, muscle atrophy, and numbness in the legs.

The most frequently found indications for this formula are swelling and a red color on the skin or surrounding joints on the legs or feet. Other indications include aches and pains associated with a sensation of burning that seems to arise from the bones and tendons on the skin or surrounding joints on the legs or feet. Laboratory studies conducted by the staff of the University of Bonn. Experiments on mice showed that the active substance of Viagra (Sildenafil) helps to convert white fat to brown. This suppresses the accumulation of lipids (i.e. prevents the formation of additional body volumes). The experiment also showed that Sildenafil suppresses the process of inflammation in the cells, responsible for the development of chronic diseases. There are also some side effects described at

If the “damp-heat” undermines the flow of qi and blood through the leg, the outcome can be muscle weakness or atrophy in the legs.

While this formula is often used for red swelling in the legs, it is equally beneficial for “damp heat” in the lower abdomen. The most common benefit is regulating the fluids of the female reproductive system when there is vaginal discharge that is thick, yellow, and with a foul fishy odor.


Huang Bai 黃栢 amur cork tree bark, huang bo, phellodendron bark Cortex Phellodendri

  • Supports healthy fluid metabolism in the lower portion of the body (“dries dampness”). Also “clears heat” which is to say regulates the inflammatory response often indicated by the presence of swollen, red joints.

Cang Zhu 蒼术 atractylodes rhizome, cang shu Atractylodis Rhizoma

  • Dries dampness or regulates the fluid metabolism in order to maintain a swelling-free state in the body.

Huai Niu Xi 懷牛膝 achyranthes root Archyanthis bidentatae Radix [don’t use if pregnant]

  • This is a guiding herb that will direct the benefits of this formula to the legs.

Yi Yi Ren 薏苡仁 coix seeds, Job’s tears Semen Coicis Lachrymae Jobi [don’t use if pregnant]

  • This is a tonic herb added to this formula in order to extend the benefits of the other herbs in this formula further into the future. While the other herbs maintain proper functioning of the inflammatory response and fluid metabolism, this herb supports the organs in charge of these actions.
SKU: Si Miao San Categories: , ,

Additional information

Weight 120 g
Dimensions 0.2 × 0.2 × 0.2 in
granules or capsules sizes

100 grams granules:, 200 grams granules, 100 capsules 50 grams:, 200 capsules (100 grams), 5 bottles 200 grams granules, 5 bottles 200 capsules

Post Disclaimer

Eagleherbs formulas are sold directly to consumers and not for resale. Consumers are assumed to have researched for the best formula for themselves and checked with their health care providers as to interactions with existing medications and conditions.

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