CBD is one of over 60 compounds found in cannabis that belong to a class of molecules called cannabinoids. CBD is the major non-psychoactive ingredient in Cannabis Sativa.
Your brain creates its own set of cannabinoids — similar to those found in cannabis — via the endocannabinoid system. The endocannabinoid system is responsible for many important bodily functions such as appetite, sleep, emotion and movement.
CBD is a non-psychoactive cannabinoid.
CBD oil does not only contain cannabidiol as its sole ingredient.
There are a number of other phyto-cannabinoids such as CBG, CBN, CBC along with a number of different amino acids, carbohydrates, fatty acids, minerals and vitamins all of which are an important constituent of CBD oil.