How can we choose full spectrum When choosing a full spectrum product, it's important to consider your needs and preferences. full spectrum CBD oil may be the best option for those who want the potential benefits of all the cannabinoids in the hemp plant. Broad spectrum CBD oil may be a good option for those who want the benefits of CBD without any THC. And isolate CBD oil may be a good option for those who want only pure CBD without any other cannabinoids from the hemp plant.