Agave azul (blue agave) is used in the production of tequila. It is native to the Caribbean as well as many regions of Mexico like Colima, Nayarit, Jalisco and more. In 2001, the Mexican government and European Union agreed upon the classification of tequila and its categories. All 100% blue agave tequila must be made from the A. tequilana 'Weber's Blue' agave plant, to rigorous specifications and only in certain Mexican states. Blue agave is significantly different from other types of agave because it is higher in fructose and much sweeter compared to the rest. It is also the primary source for agave nectar, a syrupy sweetener made for consumption.