During the third trimester of pregnancy, caffeine can remain in the body for up to 15 hours.
Smoking speeds up the breakdown of caffeine, whereas pregnancy and oral contraceptives can slow the breakdown. It can remain in the blood anywhere from 1.5 to 9.5 hours, depending on various factors. Therefore, drinking your morning coffee on an empty stomach might give you a quicker energy boost than if you drank it while eating breakfast.Ĭaffeine is broken down mainly in the liver. Food or food components, such as fibers, in the gut can delay how quickly caffeine in the blood peaks. Caffeine in beverages such as coffee, tea, and soda is quickly absorbed in the gut and dissolves in both the body’s water and fat molecules. Caffeine is absorbed within about 45 minutes after consuming, and peaks in the blood anywhere from 15 minutes to 2 hours. The chemical name for the bitter white powder known as caffeine is 1,3,7 trimethylxanthine. Read on to learn more about sources of caffeine, and a review of the research on this stimulant and health. Of course, coffee is not the only caffeine-containing beverage.
One reason may be that it supplies us with a jolt of caffeine, a mild stimulant to the central nervous system that quickly boosts our alertness and energy levels. Many of us can’t imagine starting the day without a cup of coffee.
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