According to NHS England, a cannabis-based medicinal product fulfills the following criteria:
The product is or contains cannabis, cannabis resin, cannabinol or a cannabinol derivative
It is produced for medicinal use in humans; and is a product that is regulated as a medicinal product or an ingredient of a medicinal product.
CBD oils currently sold as nutritional supplements in the UK are not considered CBPMs
Cannabis-based medicines may not be smoked as smoking weed makes it a Schedule 1 drug