Since caffeine amount can differ, a Starbucks trip doesn't guarantee an energy boost. These are the most caffeinated options ...

iced, or cold brew) for just 5 calories or less. Some other low-calorie Starbucks orders are a Caffè Americano for 15 calories, or up to four shots of espresso for 20 calories or less.

On Monday, Feb. 10, all Starbucks Rewards members are welcome to stop into Starbuck and cash in on a free 12-ounce (tall) hot or iced brewed coffee. To grab your free coffee on Starbucks Monday ...