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Bookmark or Share- Caffeine: How much is too much? - Mayo ClinicUp 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. Keep in mind that the actual caffeine content in beverages varies widely, especially among energy drinks.
- Caffeine – The Nutrition SourceCaffeine is a mild stimulant to the central nervous system that quickly boosts our alertness and energy levels. Learn more about caffeine and health.
- Caffeine | Stimulant, Health Benefits, Addiction | BritannicaLearn about caffeine's effects on the human body. Caffeine has a stimulating effect on the central nervous system, heart, blood vessels, and kidneys. It also acts as a mild diuretic. Caffeine’s potent stimulatory action makes it a valuable antidote to respiratory depression induced by drug overdose (e.g., from morphine or barbiturates).
- The Effects of Caffeine on Your Body - HealthlineAccording to the Mayo Clinic, it’s safe for most healthy adults to consume up to 400 milligrams of caffeine per day. Keep in mind that a standard size cup of coffee is eight ounces. If you’re...
- Caffeine - WikipediaCaffeine is a central nervous system (CNS) stimulant of the methylxanthine class and is the most commonly consumed psychoactive substance globally. [9][10] It is mainly used for its eugeroic (wakefulness promoting), ergogenic (physical performance-enhancing), or nootropic (cognitive-enhancing) properties. [11][12] Caffeine acts by blocking bindi...
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