Nature’s Bounty touts to provide quality and consistency with their product. They are able to do this by keeping up with the newest breakthroughs in nutritional science and making use of the finest ingredients available. Their ingredient suppliers must meet a stringent Quality Assurance Standard and use Good Manufacturing Process. Microbiological tests are done on the initial ingredients as well as the final products to ensure the botanicals are free of harmful bacteria. Their facilities have been successfully audited by the U.S. Pharmacopeia and Specialized technology Resources (STR).