Caffeine in coffee, tea, chocolate, colas, and energy drinks can cause blood pressure to temporarily rise. Learn how much and if you should be concerned.

Ounce for ounce, you'll get more caffeine bang for your buck in an espresso. An eight-ounce cup of coffee has about 95 ...

Caffeine sticks offer a quick, travel-friendly energy boost with fewer sugars and added benefits—but are they safe and ...

Is it bad to have a cup of coffee with breakfast? Not at all. Scientific studies have been highlighting the benefits of this ...

Recent research suggests that the consumption of caffeinated beverages is linked to a measurable increase in positive ...

The Best Weight Loss Supplements for Women This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: The best ...

Several studies have investigated the interaction between creatine and caffeine, but the results have been mixed. Some research suggests caffeine may reduce creatine’s performance benefits, while ...

NBC News medical contributor Dr. Natalie Azar and TODAY health and nutrition expert Joy Bauer stop by Studio 1A to break down what you need to know about caffeine, including the benefits, daily ...

Before college, I hardly consumed caffeine in any form. I'd have a cup of coffee here and there because I liked the way it tasted. But, as a freshman in college obsessed with getting good grades, I ...

Awake offered more; 50 milligrams of wake-up chemicals in a half-ounce serving. Two of those bites, the packaging reasons, ...