How Long Does Coffee Take To Affect You

Caffeine is absorbed by the membranes of your body incredibly quickly.

How long does coffee take to affect you. After that your liver will start breaking down the caffeine into caffeine metabolites which you will eventually excrete in urine. According to the cleveland clinic you can feel the effects of caffeine within 15 minutes of consuming your coffee tea or soda. In the average adult the half life of caffeine is about 5 6 hours. One 2014 study identified genes that affect a person s response to caffeine metabolism.

The level of caffeine in your blood will then increase peaking one hour later and remaining at this level for a few hours. For most people the caffeine level in your body halves roughly every six hours. Researchers can use these genetic markers to predict the likelihood that someone is a heavy coffee user. You might also urinate more.

Once you take in caffeine you ll feel its full effects within 15 45 minutes. 10k views view 5 upvoters. Studies have found that the effects of a cup of coffee or a glass of cola are noticeable after just 10 minutes but the peak caffeine concentration in the blood occurs after 45 minutes. According to google and caffeineinformer caffeine only takes 45 minutes for 99 of the caffeine to be absorbed and in humans the half life for caffeine is anywhere from 4 6 hours on average.