Heady Topper is a double India Pale Ale brewed by The Alchemist in Waterbury, Vermont. It is unfiltered and contains 8% ABV. The Alchemist describes Heady Topper as having flavors of orange, tropical fruit, pink grapefruit, pine, and spice. Unpasteurized, it is kept refrigerated by authorized retailers until point of sale. It has been described as "a complex web of genius", and as of August 2018, it was rated the fourth best beer in the world by Beer Advocate.