CBD suppositories are torpedo shaped products that are intended to be inserted into the rectum. Once in the rectum they dissolve to release the CBD. Several studies have shown that CBD is better absorbed into the blood stream when taken as a suppository compared to when taken orally. This has been attributed to the first pass effect which is a phenomenon of drug metabolism whereby the concentration of a drug, specifically when administered orally, is greatly reduced.
CBD pessaries are oval shaped products intended to be inserted into the vagina where they exert local effects and some absorption into the blood stream as well.
CBD oil is one of the most frequently used forms of CBD, the oil is extracted from hemp plants and absorbed into the blood stream through the gastrointestinal tract.