How Much Caffeine Is In A Cup Of Folgers Coffee

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Bottom Line A small cup of coffee from Dunkin Donuts contains mg of caffeine, while a single espresso contains mg. Interestingly, their decaf coffee may contain as much as mg of .According to the United States Department of Agriculture National Nutrient Database, the caffeine content in Folgers caffeinated coffees is mg per oz., mg per oz. and mg per ounce..