TCMzone was founded by company President, Dr. Dan Wen, whom has over 25 years’ experience in research, including four years of research in nutrition and gastroenterology at the Washington University School of Medicine, and completed a fellowship in gastroenterology at the Mayo Clinic. He started the company in 2000 with their first Honso Kampo Japanese herbal products being in the form of herbal granules, a first for the US. They became well known for this form of supplement and expanded the line to include traditional Chinese medicine formulas and single herbs. Today, TCMzone is a forefront in the field of traditional Chinese medicine (TCM). The company continues working with herbal research and provides their own formulas for U.S. clinical studies at reputable institutions like Cleveland Clinic, Bastyr University and the Pacific College of Oriental Medicine. TCMzone applies the “Dao Di” principles that focus on cultivating the finest herbs, using the best processes and tests all ingredients using several chromatography, spectrometry and microscopy methods (HPTLC, HPLC, HPLC) in an FDA-certified Good Manufacturing Practice approved facility. They are well known for their Jia Wei Xiao Yao San, Shi Quan Da Bu Tang (All-Inclusive Great Tonifying Formula) and their Bi Yan Pian.