Wave Soda products are made of 85% sparkling water, 15% fruit juice and 42mg. of caffeine. It's marketed a "politely caffeinated alternative to the not-so-natural soda." With 15-25 calories per can, and no added sugar or artificial sweeteners, Wave sodas delivery a gentle boost. They are offered in seven fruity flavors including: apple, blackberry, blueberry, cucumber, grapefruit, mango and tangerine.