a bitter white alkaloid contained in tea or coffee and used as a mild stimulant
The stimulant drug contained in coffee and tea. This is the stuff that makes coffee so addictive. It stimulates the central nervous system and, in the right amounts, causes adrenaline to be released and can enhance heart function.
Category: Chemical element / stimulant – major constituent of coffee Caffeine is considered a nutrient destroyer. Besides destroying may important nutrients, it also increases blood pressure and stress. Too much caffeine has also been blamed for lower birth weight in newborn babies. However, there have been some recent reports that coffee/caffeine can lower the risk of: type II diabetes, Parkinson's disease and colon cancer. Caffeine can also treat headaches, improve mood, and reduce dental cavities. I am still researching the health effects of coffee, and will update this topic once I have more information to share.
An alkaloid that occurs naturally in tea and coffee leaves and cola nuts. Known to stimulate many nervous system functions, heart rate, respiration, and urine flow in mammals. Present in caffeinated soft drinks. Active ingredient in many over-the-counter anti-sleep drugs. Very soluble in water. (cf., Lesiuk and Drewes, 1999).
Caffeine stimulates alertness, boosts energy and fights fatigue. It increases endurance during prolonged submaximal activity, thereby allowing fat cells to break down more readily during aerobic activity. Caffeine also makes a muscle contraction more forceful. It is commonly used as a stack with aspirin and ephedrine. Twinlab makes Ripped Fuel which has ephedra and caffeine.
ka-FEEN] An organic compound found in foods such as chocolate, coffee, cola nuts and tea. Scientific studies have shown that caffeine stimulates the nervous system, kidneys and heart, causes the release of insulin in the body and dilates the blood vessels.
(C,H,ON,O,). An alkaloidal substance found in the coffee bean, coffee leaf, tea leaf, yerba mate, cacao bean, etc. Isolated in pure form, it forms long white silky needles. The caffeine content of green coffee averages 1.5 per cent.
a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
a banned substance only in high doses
A stimulating drug found in coffee, tea, and cola beverages. After a headache begins, caffeine may be helpful in aborting headaches, so it is widely used in combination drugs prescribed for relief of headache. Paradoxically, using caffeine to excess or too rapid withdrawal from caffeine, may cause headaches in some individuals.
An addictive stimulant drug that works much like cocaine or heroin in the brain, though with much milder effects. Coffee, tea, soda, over-the-counter (OTC) medications that promote wakefulness, and headache medications all often contain differing amounts of caffeine.
An odorless, white, crystalline, bitter alkaloid that stimulates the central nervous system. Caffeine occurs naturally in coffee, tea and chocolate.
Helps to stimulate circulation, smooth skin, and also reduce the appearance of cellulite.
A mildly stimulating substance found in coffee and several varieties of tea
The stimulating constituent in tea. Bitter in taste but cannot be detected at the normal drinking strength.
A drug that is found in coffee & tea.
stimulant to maintain alertness. Also has pain relieving effect by constricting blood vessels. Pseudoephedrine: *Sudafed(tm) ingredient. Decongestant that unclogs nasal and chest passages.
A substance found in tea, coffee, chocolate and energy drinks that stimulates our central nervous system. Caffeine is also an added ingredient in some analgesics, where it is used to enhance pain relief.
A bitter flavor produced synthetically or can be naturally derived from certain plants such as coffee tea and gurarana.
An alkaloid (see above) found in coffee, cocoa, tea and other beverages.
An Alkaloid stimulant. Not harmful unless consumed in excess of 25 cups per day.
A naturally occurring stimulant found in coffee. Coffee contains between 60 to 130mg of caffeine per 6oz cup. Specialty Arabica coffee contains between 60 to 70mg of caffeine per 6oz cup.
a stimulating ingredient found in coffee, tea, chocolate and cola beverages. Caffeine is also a common ingredient used in combination medications for relief of headaches.
A stimulant found in coffee, tea leaves, cocoa beans and cola nuts. Also used in some drug preparations.
White masses of long crystals. A bitter, white alkaloid found in coffee, tea, and cola nuts. Caffeine is generally used in combined forms, such as caffeine monohydrate, caffeine acetate, or other compounds. In addition to its use as a stimulant and diuretic, crystalline caffeine is commonly used as an diluent in heroin hydrochloride, or as a necessary ingredient in “smoking heroin” (e.g., Southeast Asian heroin no. 3). Also used as a preferred diluent in Southeast Asian methamphetamine tablets.
A stimulant that prevents fatigue. In some people caffeine can cause an increased heart rate and restlessness and can be addictive, although it is not strictly an addictive substance.
Caffeine is the stuff that makes coffee fun! Caffeine is basically a drug found in coffee – it's the stuff that can give you a buzz when you drink your brew. Too much caffeine can make you cranky, give you headaches and generally make you feel under par.
stimulating compound present in tea
An odorless, bitter alkaloid responsible for the stimulating effect of coffee and tea.
a naturally occurring stimulant found in coffees, teas, and some other plants.
a stimulating chemical found especially in coffee and tea
A bitter-tasting, water-soluble compound that acts as a central nervous system stimulant and has a mild diuretic (increasing urination) effect.
An alkaloid found in tea and coffee which acts as a nerve stimulant and diuretic.
The drug contained in coffee and tea. This is what makes coffee addictive. It stimulates the nervous system and, in the right amounts, causes adrenaline to be released and can enhance heart function. It helps with intellect and defends the body.
A natural alkaloid substance, present in the coffee plant, that has a mild stimulant effect. It is thought to have developed naturally as a defense mechanism against insects.
The alkaloid chemical that are present in both coffee and tea, this chemical stimulates the nervous system. Caffeine is addictive and there can be side-effects when too much is consumed in a short period.
The drug contained in coffee. A bitter white alkaloid derived from coffee (or tea) and used in medicine for a mild stimulant or to treat certain kinds of headache.
Caffeine is a naturally-occurring substance found in the leaves, seeds or fruits of over 63 plant species worldwide and is part of a group of compounds known as methylxanthines. The most commonly known sources of caffeine are coffee and cocoa beans, cola nuts and tea leaves. Caffeine is a pharmacologically active substance and, depending on the dose, can be a mild central nervous system stimulant. Caffeine does not accumulate in the body over the course of time and is normally excreted within several hours of consumption.
A chemical occurring in coffee, black tea, and cola drinks with an ability to stimulate the nervous system. In small amounts, it can create mental alertness. In larger amounts, it can cuase nervousness, anxiety, sleeplessness, and is used medically as a diuretic and headache remedy.
Most coffee contains 60-130mg of caffeine per cup, which is a naturally occurring stimulant. Arabica coffee genrally contains 60-70mg of caffeine.
The drug found in coffee. Caffeine is a bitter white alkaloid, used in medicine chiefly as a mild stimulant and to treat certain types of headaches.
from my dictionary, a stimulating drug found in coffee and tea, formula C 10 See caffeine article here.
A natural stimulant found in many common foods and beverages, including coffee, tea and chocolate.
A substance found in the leaves and beans of the coffee tree, in tea, yerba mate, guarana berries, and in small amounts in cocoa. It can also be made in the laboratory, and is added to some soft drinks, foods, and medicines. Caffeine increases brain activity, alertness, attention, and energy. It may also increase blood pressure, heart rate, breathing rate, and the loss of water from the body in urine.
A stimulating compound found in tea.
Caffeine is widely consumed substance that exists naturally in plants. It can also be produced synthetically and used as an additive in certain food products. It is a central nervous system stimulant and a diuretic. It is found in coffee, tea, chocolate, cocoa and many carbonated beverages such as colas. Excessive caffeine intake can lead to anxiety and depression.
a stimulant used to increase mental alertness. 222
A stimulant found in coffee, tea, chocolate, and some soft drinks that increases heart contractions, oxygen consumption, metabolism, and urinary output.
White, crystalline alkaloid, which occurs naturally in coffee beans, cocoa beans, and tea leaves, that stimulates the central nervous system.
A stimulant found naturally in coffee, tea, chocolate and cocoa; may be added to soft drinks or other food products.
A component of tea which stimulates the nervous system. A cup of tea averages 40 milligrams of caffeine versus approximately 110 in a cup of coffee.
Stimulant ingredient in coffee. Alerts the mind and reduces fatigue or sleepiness.
A mild stimulant, the most widely used drug in the world.
Caffeine is an effective stimulant of the central nervous system and in large amounts can produce undesirable side effects such as nervousness and insomnia, rapid and irregular heartbeats, elevated blood sugar and cholesterol levels, excess stomach acid, and heartburn. It is definitely a teratogen (produces deformed fetuses) in rats; the FDA has advised practitioners to counsel patients who are or may become pregnant to avoid or limit consumption of foods and drugs containing caffeine.
A drug which stimulates the respiratory center of the brain, and is used to treat apnea of prematurity. Consumed by adults in coffee and soft drinks, caffeine has fewer side effects and less stimulant activity in infants.
A stimulant found naturally in coffee beans, tea leaves, cocoa beans (chocolate) and kola nuts (cola) and added to soft drinks, foods, and medicines. A cup of coffee has 100-250 milligrams of caffeine. Black tea brewed for 4 minutes has 40-100 milligrams. Green tea has one-third as much caffeine as black tea. See the entire definition of Caffeine
For use as a quick stimulant to restore mental alertness when experiencing fatigue or drowsiness. Builds zest energy and stamina.
The stimulant drug found in coffee.
A natural stimulant found in many common foods and drinks, including coffee and tea. A stimulant is a chemical which can speed up your reactions.
(C8H10N4O2) methyltheobromine; guaranine; 1,3,7-trimethylxanthine; 1,3,7-trimethyl-2,6-dioxopurine. A substance found in tea, coffee, and cola that acts as a stimulant. It is extremely soluble in supercritical fluid carbon dioxide and somewhat soluble in water; aqueous solutions of caffeine quickly break down.
A bitter crystalline alkaloid found in coffee, tea, and kola nuts; it is a heart and central nervous system stimulant.
A slightly bitter alkaloid found in coffee, tea, and many other foods and beverages. Caffeine is stimulating to the heart and nervous system. It is toxic in large doses.
Caffeine is a naturally occurring stimulant that can be found in coffee, tea and chocolate.
a stimulant present in coffee, tea and soda beverages, is also useful can to soothe puffy eyes.
one of the xanthines soluble in water and alcohol, and obtainable from coffee, tea and maté. Caffeine stimulates the central nervous system, has a diuretic effect on the kidneys; stimulates striated muscle; and has a variety of effects on the cardiovascular system
a stimulant drug found in many food products such as coffee, tea and cola drinks; stimulates the central nervous system.
An alkaloid present in coffee, tea, chocolate, cola drinks and supplements. Caffeine is considered an ergogenic in athletics because it tends to enhance endurance and improve reaction time.
A bitter alkaloid contained in coffee and tea. It stimulates the central nervous system and, in the right amounts, causes adrenaline to be released, can enhance heart function, and helps with intellect.
Caffeine is a xanthine alkaloid compound that acts as a stimulant in humans. Caffeine is called guaranine when found in guarana, mateine when found in mate, and theine when found in tea. It is found in the leaves and beans of the coffee plant, in tea, yerba mate, and guarana berries, the kola nut, the Yaupon Holly, and in small quantities in cocoa.