Apr 25, 2019 Complete caffeine content of Starbucks drinks. Coffee, tea, tazo, refreshers, frappuccinos, iced coffee, via, and bottled coffee. UK and Europe Matcha Tea Latte, 30mg, 60mg, 90mg, 120mg. Rooibos Latte, 0 How Many Shots? The caffeine Iced Teavana Green Tea Latte, 55mg, 80mg, 110mg....