The sweetener derived from a cactus is Agave nectar. It is harvested from the agave plant, which is native to Mexico and the southwestern United States. Agave nectar has a sweet, syrupy consistency and is often used as a natural alternative to sugar in beverages and food products. Its low glycemic index makes it appealing to those seeking a healthier sweetener option. Agave is commonly found in cocktails, smoothies, and various desserts, contributing a distinct flavor profile while being more easily digestible for some individuals compared to traditional sweeteners.