How Much Caffeine Is Bad?
We can all use that special jolt in the morning from
Caffeine works as a stimulant to the central nervous system, increasing wakefulness and reducing fatigue. Moderate doses of caffeine, 200 to 300 milligrams or two to four cups of brewed coffee, are not harmful at all, and may even have some positive impact on your life. If you consume heavy amounts of caffeine, more than 500 to 600 milligrams per day, can lead to the following negative consequences: insomnia, nervousness, restlessness, irritability, nausea and gastrointestinal problems, fast and irregular heartbeat, muscle tremors, headaches, and anxiety.
Even with these general guidelines, bear in mind that some people are more sensitive to the effects of caffeine than others are. The way that you react to caffeine will be directly affected by how much caffeine you are used to. If you never drink coffee, a single strong cup may give you that jittery feeling.
Generally speaking, as long as you limit your caffeine intake to between two and four cups of coffee per day, you should be okay.