Starbucks Caffeine Calculator

That afternoon pick-me-up from Starbucks can feel essential, but for many, the jitters, anxiety, or sleepless night that follows is an unwanted side effect. Caffeine, the world’s most popular psychoactive substance, is a powerful tool—but only when used with awareness. With Starbucks drinks ranging from the potent Blonde Roast to the seemingly innocent iced tea, … Read more