ZēLUS beer is crafted for your active lifestyle. Our unique proprietary brewing process creates a new type of beer. At ZēLUS, we carefully identify beer styles, develop recipes, adjust water profiles, and keep gravity low to produce beers that still as great as any of your favorite craft beers. Named after Zelus, the Greek spirit of competition and rivalry, our craft beer was created for you to enjoy after your zealous endeavors. ZēLUS is a Massachusetts based brewery. Now brewing in our taproom in Medfield, stop by to try what is new on tap!!