ActiveHerb Huang Lian Shang Qing Pian, Huang Lian Shang Qing Wan, CoptisClear, or 黄连上清片 is a popular Chinese herbal medicine that clears Heat-Wind, purges Fire, and removes toxins. This formula is used for the TCM syndrome that includes bloodshot eyes, canker sores, toothache, and constipation. At a true 5:1 concentration, this product represents the most potent form of Huang Lian Shang Qing Pian on the market. One tablet is equal to 1 gram of raw herbs. Uses minimal fillers and binders, comprehensively tested for impurities along with the test results are published online and manufactured in a certified Good Manufacturing Practices facility.