Typical ingredients listed are water, barley, hops and yeast. Some styles or recipes also list additions such as lime purée, sea salt or natural flavors.
Listings note beers are often brewed to full strength and then alcohol is removed either by low-temperature methods (not exceeding fermentation temperatures) or by cold filtration; both approaches are described as ways to preserve flavor.
Chill the beer, tilt a glass about 45° and pour until it’s roughly three-quarters full. Let the surge settle, then hold the glass upright and top up to the rim.
Listed alcohol levels run from 0% up to about 0.4% ABV; several descriptions note values described as “less than 0.5% ABV.”