Pure CBD Isolate is available for purchase online and includes no traces of tetrahydrocannabinol or any other cannabinoids or plant material. As it is derived from hemp, it is typically the best option for people who are sensitive to or need to avoid THC. There is preliminary evidence that using CBD alone can help with anxiety, sleeplessness, and chronic pain. Isolating cannabinoids also removes any terpenes or flavonoids, so any entourage effect advantages would be lost.