Tequila contains no sugar; all its calories come from alcohol. One ounce of 80-proof tequila contains 9.3 grams of alcohol and 64 calories. Tequila is a distilled liquor made from blue agave. It is produced primarily around the city of Tequila, Mexico.
The soil of the Jalisco state in northwestern Mexico is well-suited for making tequila. The area produces more than 300 million blue agave plants annually. The United States officially allows only liquor produced in Mexico to be called tequila, although it can be bottled in the United States. Formal production of tequila began in the 1500s, although the city of Tequila was not created until 1666. The Aztec people produced a fermented drink from the agave plant before the arrival of the Spaniards in the 1500s.