Nozz-A-La is a brand of cola found on several levels of the Dark Tower.
Its presence is an indicator that the world is similar to the Keystone World, but is not identical. Nozz-A-La is similar in taste to Coca-Cola and shares Coca-Cola's red and white color scheme.
Role in the Dark Tower Series
Upon leaving the Emerald City, Roland Deschain and his ka-tet find bags packed for them by Walter Padick that contain sandwiches and cans of Nozz-A-La.
In Susannah Dean's dreams, she sees Eddie Dean wearing a sweatshirt that reads, "I Drink Nozz-A-La".