Every SK Energy shot is packed with natural caffeine sourced from green coffee beans with green tea and essential vitamins like B3, B6 and B12. Plus we never use taurine or guarana.

Try all of our exciting zero-calorie options with natural flavors including berry, grape, strawberry lemonade and pomegranate.

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Extra strength SK contains 280mg of caffeine, comparable to 12oz of the leading premium coffee. Regular strength SK contains 250mg caffeine. comparable to 10oz of the leading premium coffee.