caffeine

We read through the latest in exercise science so you don’t have to.

Your DNA has a say in your caffeine buzz, but it’s still not clear how genes affect gut sensitivity to caffeine.

Yes, caffeine can give you wings. But there are a few important things you need to know first before pounding the espressos.

If regular coffee isn’t your cup of proverbial tea, consider these other sources of a good caffeine kick from "Sports Nutrition Handbook." As you’ll see, they provide a healthy helping of other nutrients, too.

On National Coffee Day (and every day), cheers to a strong cup of coffee.

Wake up with one of these buzzing alternatives to a cup of coffee.

How much caffeine is in coffee, tea, and other drinks? And how much should you consume on race day?

How much caffeine is in the gels, bars, drinks, and chews you take on race day?

Not sure which bottle to buy in the vitamin aisle? We’ve got the skinny on the supplements you should take—and the ones to avoid.

Check out Jessica Sebor's author page.