[Philly.com] Don't like coffee? How about tea with a caffeine punch
Q: How did you come up with the idea for Zest Tea?
A: A friend and I are tea drinkers and discussed ways to make tea more caffeinated without the side effects of coffee. We began blending our own teas to increase the caffeine punch.
Read more at http://articles.philly.com/2014-02-28/news/47778048_1_tea-drinkers-black-tea-loose-leaf-tea