How many cups of coffee are safe per day?
John Johnson
Updated on September 01, 2026
In this regard, how many cups of coffee is too much?
Several sources suggest that 400 mg of caffeine per day — the equivalent of 4 cups (945 ml) of coffee — is safe for most healthy adults ( 3 , 5 ). However, many people drink much more than that without any issues.
Also, how many cups of black coffee can you drink a day? As per Nutritionist Mehar, ideally, for a healthy person who may not be sensitive to caffeine may consume up to three cups of coffee per day. Up to 300 milligrams (mg) of caffeine a day is considered safe for most healthy adults. Approximately, a cup of coffee contains 95-100 milligrams of caffeine.
Also Know, how many cups of coffee are dangerous?
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 cans of cola or two "energy shot" drinks.
Is it safe to drink 25 cups of coffee a day?
Coffee lovers who drink up to 25 cups a day can rest assured the drink is not bad for their heart, scientists say. But a new study of more than 8,000 people across the UK found that drinking five cups a day, and even up to 25, was no worse for the arteries than drinking less than a cup a day.