This online study assessed the proportion of participants (n = 808 UK adults) selecting a non-alcoholic drink (vs. an alcoholic drink) in four different alcohol and non-alcoholic availability conditions (reference 1: two non-alcoholic drinks and two beers, reference 2: four non-alcoholic drinks and four beers, increased non-alcoholic: six non-alcoholic drinks and two beers, increased alcohol: two non-alcoholic drinks and six beers).