Our manufacturing facility maintains the industry’s toughest certifications and regulations. When you are buying Sinus Cleanser you can be sure you will be getting the highest quality products that meet potency and rigorous testing standards. Not only is our manufacturer registered as an FDA Food Facility, allowing it to manufacture homeopathic Sinus Cleanser, but it is also cGMP (certified Good Manufacturing Practices) that provides a system of processes, procedures and documentation to assure the quality, purity and strength of Sinus Cleanser.