02.Caffeine sources compared
The following chart shows the relative amounts of caffeine in generic foods and beverages, plus a number of leading brands of other caffeine-containing products.
We've provided the caffeine content for the individual pack size closest to 500mL for all branded drinks, as this size (or similar) was most consistently available across all mentioned products and, in most cases, is intended for individual consumption. Many of these products are also available in smaller pack sizes.
* Caffeine for this generic item was derived from a composite of retail samples meeting this product description (source: NUTTAB 2010). The caffeine content of hot tea and coffee beverages can vary widely, depending on the brand, how it's prepared, and the size of the mug or cup.