Up to 400 milligrams (mg) of caffeine a day appears to be safe for most healthy adults. That's roughly the amount of caffeine in four cups of brewed coffee, 10 ...

Find out just how much caffeine is in coffee, tea, soda and energy drinks. You may be surprised at how much caffeine you're consuming.

Caffeine is a convenient source of energy, but the amount in your diet can often be too much for your body. How can caffeine be harmful in large quantities?

A recent study by New Scientist magazine showed that 90% of North American adults consume some form of caffeine on a daily basis.

Be cautious about use of extra-strength caffeinated products, such as energy drinks. Too much caffeine can cause severe disturbances to the heart and nervous ...

Jan 29, 2021 · We have all probably had experience with caffeine with over 90% of the US population consuming it regularly in some form or another.

Jul 6, 2022 · For adults, 400 milligrams (mg) is the safe amount of daily caffeine consumption. This is similar to 4 cups of coffee, 10 cans of soda, ...