More than likely. If it has THC in it you will need to get it from a dispensary, depending on where you live. CBD oils and such are legal in all 50 states. They do not have THC in them are are made from hemp instead of marijuana.
I'm on the fence of whether or not CBD oil does anything. I'm not using it regularly so that pretty much colors my experience. I think it depends on the individual and their chmistry make up. Also could have something to do with mind over matter. It's amazing what the brain is capable of doing.