How many times can I drink black coffee in a day?

The idea behind drinking black coffee, my idea behind it is to kick start my day. It helps me get out of bed and get going. You might not be wired this way, and if you feel no need then don't take up the habit. read more

According to the FDA, 400 mg per day of caffeine (that’s about four cups of coffee) is a safe amount of caffeine for healthy adults. But too much caffeine–500 to 600 mg–can be dangerous, causing restlessness, tremors, irritability, insomnia and stomach upset. read more

Keep in mind that there are many other sources of caffeine besides coffee, including tea, soft drinks, energy drinks, chocolate and certain medications (6, 7). Bottom Line: The amount of caffeine in a cup of coffee can range from 50 to over 400 mg. Many sources recommend 400 mg of caffeine per day as the safe upper limit for healthy adults. read more