how long does it take to get caffeine out of your system
As long as caffeine is in your blood, it's effects will also manifest. The time it takes for the body to eliminate one half of a caffeine dose is normally between 3 to 12 hours.It is called the half-life of caffeine.Several factors can shorten or lengthen the half life of caffeine. Smoking, medications and diseases are some factors.f you regularly drink a cup of coffee or tea in the morning and another in the evening, you can expect to have caffeine in your blood every hour of the day. The effect of caffeine in your body will be active 24/7.