And now, onto the thorny issue of legality. The simple answer to the question is yes — if it is extracted from hemp. The 2014 Farm Bill established guidelines for growing hemp in the U.S. legally. This so-called “industrial hemp” refers to both hemp and hemp products which come from cannabis plants with less than 0.3 percent THC and are grown by a state-licensed farmer.
To my understanding, neither CBD nor THC are effective for “severe” pain; rather, they work better for mild to moderate chronic pain. Often, with severe pain, the dosage of opiates can be decreased with concomitant use of medical cannabis or CBD and that decrease in dose makes their use safer. Concurrent use of THC does increase the analgesic effect of CBD, but it also adds the “high” which some people do not want as a side effect.
The amount of milligrams of CBD you should take depends on your specific reason for taking CBD. If you are using CBD to treat chronic pain, you might take a much higher dose than someone who would be using CBD for general wellness reasons. Google search for your specific condition or reason for taking CBD to find the dose that is appropriate for you. You can take CBD in high qualities, so feel free to test out different dosages and see how your body reacts. A standard dose of CBD is 10 mg once a day, but this varies so widely because each individual is different so this can’t be taken as a recommendation for you.