Si Wu Tang, called Four-Substance Decoction by several of its makers, is carried from seven manufacturers. Herbal Times sells its teapills as Si Wu Wan.
Granules (extract powder): Evergreen, Bio Essence and Treasure of the East. Capsules: Blue Poppy and Sun Ten. Whole herb: Urban Herbs. Teapills: Herbal Times.
Licensed practitioners and TCM students can compare those versions here and choose the one that suits them. Our formula finder can help with related formulas. Family-owned, practitioner-first, since 2001. Weekday orders placed by 5:00 pm Eastern ship the same day. FDA-registered establishment with full lot traceability on every order, and our own staff answer the phone.
