Interesting. They really are brewing the NA directly, without first brewing and then taking out the alcohol. https://www.joe.ie/news/guinness-announce-release-brand-new-non-alcoholic-beer-612920: "Many non-alcoholic beers are made by taking a conventional beer and boiling away the alcohol which can impact the taste. From the start, we were determined to brew a non-alcoholic beer with the same process we’ve perfected over the last 259 years. It has taken two years of experimentation, but we’ve come up with a way to fully brew beer using a special yeast strain that only produces a very limited amount of alcohol."