Primary Organics CBD Oil Mar 20, 2017 Â. Ever since Dr. Sanjay Gupta brought to the world the story of little Charlotte Figi, the Colorado girl with severe epilepsy who found relief from using cannabidiol (CBD), there has been an explosion of companies hawking what they call ‘œhemp-derived CBD oil’ which they claim is legal in all 50 states. The government classifies hemp as any plant of the cannabis family that contains less than 0.3% THC. Tracking side effects of CBD oil can be a bit tricky, as everyone’s body is different.