5 Essential Questions about CBD that will help you understand this all natural extract better! There may be tons of other questions that would be on your mind, like “how much CBD should I take”, “is CBD legal”, “can we get a prescription for CBD”, “is CBD oil same as hemp oil” or more, and we would attempt to answer these in our coming blog posts! 1. What is CBD? CBD, or Cannabidiol, is an extract that comes from the cannabis plant or hemp, along with another substance called THC (but we’ll come to that later). Now, inside the human.