A Tall Refresher has 35-45 milligrams of caffeine, while a Trenta contains 90-110 milligrams. For a bigger boost, Starbucks' Iced Energy Drinks offer up to 205 milligrams of caffeine. Starbucks ...
ENERGY DRINKS HAVE A TENDENCY TO HAVE HIGH AMOUNTS OF CAFFEINE. A LOT OF THEM HAVE SYNTHETIC CAFFEINE RATHER THAN THE NATURAL ... NOW, THEY SAY THEY HOPE FIREFIGHTERS MAKE IT A HABIT TO TURN TO ...