Webcaffeine has its perks, but it can pose problems too. Find out how much is too much and if you need to curb your consumption. If you rely on caffeine to wake you. A morning cup of coffee may do more than just perk you up, according to new research. Moderate amounts of caffeine intake — defined as one to three cups of. Read on to learn more. Webdrinking two to three cups of coffee or up to three cups of tea a day was the sweet spot, the researchers found. People who consumed about 200 to 300 milligrams. Compared with nonconsumers or consumers of less than. Webup to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches,.
