Caffeine IQ: How much is too much?
A safe amount of caffeine intake each day is 200 to 300 milligrams (mg). More than 500-600 mg per day may increase the risk of negative side effects.
Content restricted. Requires subscription
A safe amount of caffeine intake each day is 200 to 300 milligrams (mg). More than 500-600 mg per day may increase the risk of negative side effects.