NOW Bromelain 2400 GDU/g is one of the highest natural potencies of this proteolytic (protein-digesting) enzyme available. While most enzymes are generally considered to be poorly absorbed, Bromelain is one of the most bioavailable of all enzymes and has been the subject of numerous studies worldwide. Although Bromelain is derived from pineapples, supplementation is necessary to achieve optimum levels of this enzyme. Encapsulated in Vcaps for a 100% vegetarian formula.