Is 1000 mg of caffeine too much?
Extremely high daily intakes of 1,000 mg or more per day have been reported to cause nervousness, jitteriness and similar symptoms in most people, whereas even a moderate intake may lead to similar effects in caffeine-sensitive individuals (9, 10 )..
Is 700 mg of caffeine too much?
“Moderate intake of 300 mg per day should be OK (for pregnant women),” Karolin says. “A lot more research is needed on adverse effects of caffeine,” Karolin says; however, some studies have shown that consuming more than 700 mg per day can lead to increased urinary excretion of calcium and magnesium.
Is 600 mg of caffeine too much?
Up to 400 mg of caffeine is okay for some people. But once you pass that, it can be trouble. Most experts agree that 600 mg (four to seven cups of coffee) is a real danger zone. That’s 5-ounce cups, not the mega-mug you probably have at home or at your desk.
How long does 600mg of caffeine last?
Caffeine begins to affect your body very quickly. It reaches a peak level in your blood within 30 to 60 minutes. It has a half-life of 3 to 5 hours. The half-life is the time it takes for your body to eliminate half of the drug.