All Kan Traditionals formulas are produced from imported Chinese herbs at their manufacturing facilities under the same attention to details. quality. safety and efficacy that they are known for. At Kan. they assume responsibility at every stage of the manufacturing cycle. from the procurement of high quality herbal ingredients. to extensive testing and meticulous manufacturing. All Kan Traditionals formulas are free of colorings. pharmaceuticals. preservative or added sugars. The final product is of remarkable character. enriched with the individual flavors and characteristics that the ancient herbal masters intended.