Caffeine in Average Decaf Coffee Studies have shown that virtually all types of decaf coffee contain caffeine (7, 8) On average, an 8ounce (236The two most popular sources of caffeine are coffee and tea leaves Other sources include cocoa beans, energy drinks and some over the counter medications The caffeine content of foods varies quite considerably depending on the type, serving size of the food/drink and how it is prepared Advertisement Pros and cons of caffeine Whether you're drinking coffee, tea, caffeinated softWhether they are lightroasted, mediumroasted, or darkroasted It depends on the serving size, and it depends on which brewing method you employ Here is a short rundown of the average caffeine content in different coffee
1 Caffeine Content Of Popular Ingestibles Download Table
