San Pellegrino Sanbitter is a must when enjoying an aperitivo. What is an aperitivo? In Italy, the hour or two before having dinner is spent in a social setting with friends and family having a light appetizer and one of two drinks. This tradition is called an aperitivo. Sanbitter is the most famous drink used during these pre-dinner gatherings. It can be mixed with alcohol products or simply enjoyed by itself. (Sanbitter DOES NOT contain alcohol).