All Kan Traditionals are produced at the Kan Herb Company manufacturing facilities. Kan controls all phases of production; from the raw ingredient procurement, to processing, formulating, testing and packaging. Each step adheres to the highest standards of Good Manufacturing Practices (GMP). At Kan, they assume responsibility for every level of production and manufacturing. Every lot is tested to ensure purity and potency. All Kan Traditionals are free of colorings, pharmaceuticals, preservatives, and sugar.