Dr. BOB'S CANNABD+OIL® capsules are manufactured using a PATENT-PROTECTED EXTRACTION PROCESS to guarantee the highest-quality cannabinoids from hemp. This proprietary, advanced extraction process also preserves all other properties from the hemp plant. The patent-protected hemp extract adheres to strict production guidelines to guarantee the highest-quality cannabinoids from hemp. As mentioned above, the advanced extraction process also preserves all other properties from the hemp plant to ensure high-quality results and a 99% pure CBD oil. Our hemp is 100% Colorado-grown and our facilities are ISO6 cleanroom certified.