MateVana tea from Teavana. Smells so yummy also.
"Health Benefits of MatéVana® Herbal TeaMate teas are a cardiovascular aid, hunger suppressant, and mental and physical stimulant. Mate contains several different Xanthines, besides caffeine, which when blended create a different kind of energy, which will not cause jitters. Also includes some Rooibos tea, which is high in vitamins and minerals and contains antioxidants."
*Pic stolen from their website