Caffeine is the most widely added stimulant to drinks and to foods.  A well-timed burst of caffeine can buy a few more hours of alertness, but also dulls the mind, disturbs your sleep, and may be harmful to your health. It is extremely rare to find an alcohol that has any caffeine - most caffeine comes from the mixers.

When using this chart, pay attention to the size - a 16 ounce coffee from Starbucks certainly should not be considered to be equivalent to one coffee on our chart.