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

green coffee extract, as well as dried blackberries. The Blackberry Sage Lemonade Refresher brightens the drink with the sweet-tartness of lemonade. Starbucks is introducing a trio of Blackberry ...

Starbucks is getting into the Valentine’s Day spirit through limited-time drinks. It is also introducing two new Refreshers ...