| How much caffeine is in that drink? Decaffeinated coffee or tea, 8 oz. 2 mgs Black tea, brewed, 8 oz. 47 Green tea, brewed, 8 oz. 30 to 50 Plain coffee, brewed, 8 oz. 95 Starbucks Coffee Grande, 16 oz. 330 Coca-Cola Classic, 12 oz. 35 Diet Coke, 12 oz. 47 Red Bull, 8.3 oz. 76 |