The quality of CBD oil is largely determined by the source of hemp from which it is derived.
"I found the Distilled CBD Oil had a relaxing effect, but it did not work very well for my menstrual pain. For those seeking full-spectrum CBD vape options, CBDfx offers a wide variety of those as well. https://medium.com/@rob_79127/natures-garden-cbd-harness-the-power-of-natural-wellness-a4aa3724a685