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Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is mainly used as a eugeroic (wakefulness promoter) or as a mild cognitive enhancer to increase alertness and attentional performance.
Apr 26, 2022 · Up to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches, restlessness or anxiety, you may want to reevaluate your caffeine intake.
Mar 19, 2022 · Caffeine has its perks, but it can pose problems too. Find out how much is too much and if you need to curb your consumption. If you rely on caffeine to wake you up and keep you going, you aren't alone. Millions of people rely on caffeine every day to stay alert and improve concentration.
May 18, 2023 · Caffeine is a natural stimulant most commonly found in tea, coffee, and cacao plants. It works by stimulating the brain and central nervous system, helping you stay alert and prevent the onset...
Jul 24, 2023 · Caffeine is a stimulant that occurs naturally in some foods. The Food and Drug Administration (FDA) recommends a maximum intake of 400 mg a day, or two to three cups of coffee. A moderate intake...
May 9, 2023 · Caffeine can kick start your senses within 15 minutes. See exactly what caffeine does to your body with this interactive graphic.
Feb 11, 2022 · Caffeine is a chemical compound that many people consume every day. It is most commonly consumed in coffee and tea, though it can also be consumed through other foods and drinks, certain medications, and even recreational drugs.
Caffeine is a natural chemical with stimulant effects. It is found in coffee, tea, cola, cocoa, guarana, yerba mate, and over 60 other products. Caffeine works by stimulating the central nervous...
Aug 22, 2023 · Caffeine is a central nervous system stimulant. It works by stimulating the brain. Caffeine is found naturally in foods and beverages such as coffee, tea, colas, energy and chocolate. Botanical sources of caffeine include kola nuts, guarana, and yerba mate. Caffeine is also available in prescription and non-prescription medications.
Sep 8, 2021 · What is caffeine? Caffeine is a bitter substance that occurs naturally in more than 60 plants including: Coffee beans; Tea leaves; Kola nuts, which are used to flavor soft drink colas; Cacao pods, which are used to make chocolate products; There is also synthetic (man-made) caffeine, which is added to some medicines, foods, and drinks.
