The amount of caffeine in Folgers coffee varies greatly. Folgers Instant Coffee in either regular or decaf versions offers only trace amounts of minerals and vitamins as well as some carbohydrate, fat and protein. How much caffeine is in instant coffee folgers instant coffee crystals single caffeine in instant coffee the 14 best instant coffee in 2020 folgers clic … There are 0 calories in 1 tsp (6 oz) of Folgers Classic Roast Instant Coffee. Folgers Instant Coffee in either regular or decaf versions offers only trace amounts of minerals and vitamins as well … Caffeine content is difficult to measure by size or variety of coffee. None of these nutrients occurs in significant amounts in a single cup. Though you may need caffeine to get started in the morning, it’s possible you’re drinking too much. The caffeine content ranged from 8.6 milligrams to 13.9 milligrams.Meanwhile, 1 teaspoon of Folgers Classic Roast instant coffee contains 74 milligrams of caffeine, according to the Center for Science in the Public Interest. Though you may need caffeine to get started in the … Get full nutrition facts for other Folgers products and all your other favorite brands. Calories and nutrient levels vary slightly depending on the type. The amount of caffeine in Folgers coffee varies greatly.