Swan Products USA is dedicated to bringing you the best diet, sports and nutritional supplements in the industry. Quality you can trust for your healthy lifestyle. Our customer satisfaction guarantee policy means you are our top priority! Be assured that at our manufacturer's laboratories, every aspect of their vitamin manufacturing and supplement manufacturing processes are tested and documented for safety. All of their nutraceutical manufacturing processes are reviewed on a regular basis to ensure that these processes meet and exceed stringent nutraceutical quality standards. They are cGMP certified manufacturer, a member of the Natural Products Association and our products are certified NSF International and Quality Assurance.