Naturally flavored with other natural flavors. 80 mg caffeine. 0 g sugar. 10 calories. See back. Caffeine Comparison Chart Per 16.9 oz: Instant Coffee: 158.5 mg. Pure Kick: 80 mg. Cola: 56.3 mg. Gluten free. 100% daily value of B3. B5. B6. B7. B12. 5 essential B vitamins. New. Rethink energy. Empower yourself. Statistics above were taken from the International Food Information Council (IFIC) Foundation. Drop the can. Pick the stick. Make your mark with pure kick. purekick.com. Facebook. Twitter. Instagram. (at)purekickenergy.