Aug 22, 2024 · 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.

Feb 11, 2025 · What is caffeine? Caffeine is a stimulant drug, which means it speeds up the messages travelling between the brain and the body. It’s found in the seeds, nuts and leaves of a number of different plants, including: Coffea Arabica (used for coffee) Thea sinensis (used for tea) Cola acuminata (used as a nut, tea or in soft drinks)

Caffeine 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...

May 29, 2024 · Caffeine is a naturally occurring central nervous system stimulant belonging to the methylxanthine class and is widely recognized as the most utilized psychoactive stimulant worldwide.

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...

Dec 30, 2024 · Drug interactions between caffeine and other medications can lead to increased side effects and toxicity, make a medication less effective, or cause unexpected health complications. 1....

Jul 24, 2023 · Caffeine is a stimulant and the most commonly used drug in the world. Benefits can include increased alertness, energy, and concentration. However, it can also lead to insomnia and headaches.

Before taking caffeine, tell your doctor or pharmacist if you are allergic to it; or to other xanthine drugs (such as theophylline); or if you have any other allergies. This product may contain...

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...

Feb 21, 2025 · Some medications and herbal supplements may interact with caffeine. Examples include: Ephedrine. Mixing caffeine with this medication — which is used in decongestants — might increase your risk of high blood pressure, heart attack, stroke or seizure. Theophylline.