Decaffeinated lattes refer to lattes with low caffeine content. Decaffeinated coffee is coffee with more than 97% caffeine removed. Compared with ordinary coffee, the caffeine content of decaffeinated coffee is obviously reduced.

There are three main methods to make low-calorie coffee: water dissolution, organic solvent dissolution and supercritical carbon dioxide dissolution. Coffee shops such as Starbucks also have low-carbohydrate coffees, such as low-carbohydrate espresso, low-carbohydrate American coffee and low-carbohydrate latte.