At Vital Nutrients, quality assurance and quality control are the number one priority. They utilize the highest standards of manufacturing practices and laboratory quality assurance. They audit and verify each of their independent laboratories to insure that validated analytical methods and ethical lab practices for raw material and finished product testing are followed. They spend a great deal of time researching the scientific validity and reliability of laboratory test methods. In addition, they insist that their labs use only highly purified analytical reference standards.