How much caffeine does Hammer Gel contain in comparison to coffee?

While caffeine levels can vary tremendously between different brands of coffee, an 8-ounce cup of brewed coffee generally contains anywhere from 80-135 mg of caffeine, while the caffeine content of an 8-ounce cup of drip coffee is between 115-175 mg. Each serving of Espresso Hammer Gel contains 50 mg of caffeine. Each serving of Tropical Hammer Gel contains 25 mg of caffeine.