Clear/Cut Phocus launched its line of sparkling caffeinated waters in five flavors: Natural, Grapefruit, Cucumber, Blood Orange, and Yuzu & Lime. 

Phocus is a naturally caffeinated sparkling water that contains caffeine derived from green tea, as well L-theanine, which is known to reduce anxiety and improve cognitive performance, the company says. 

The drink is also kosher, vegan, non-dairy, non-GMO and gluten free, it adds. Packaged in 11.5-ounce aluminum cans, Phocus contains no calories, preservatives, sweeteners or sodium. Available nationwide, the caffeinated sparkling water has a suggested retail price of $1.99 for a can.