CBD oil is a product that contains the cannabinoid cannabidiol (or CBD) which derives from the cannabis plant, unlike other cannabinoids such as THC – CBD does not cause the euphoric mind-altering effect THC causes, the levels of THC are below the minimum of 0.3% concentration - therefore is safe for consumption by pretty much a majority of the population. By placing the oil under your tongue, it absorbs directly to use bloodstream for a full effect and absorption.