After 10 minutes:
Caffeine enters the bloodstream, increases heartbeats and pressure as well.
After 15-45 minutes:
The level of caffeine in the blood is too high, the ability to concentrate grows, we feel active and alert.
After 30-50 minutes:
The caffeine absorption ends, the liver responds by absorbing a larger amount of blood sugar.
After 1 hour:
The body has a decrease in blood sugar level, the effects of caffeine are over. Now we begin to feel tired again.
After 5-6 hours:
The level of caffeine in the blood is reduced by 50%.
After 12 hours:
Caffeine in the blood is completely eliminated.
After 12-24 hours:
For those who take caffeine on a regular basis, these symptoms begin a headache, irritability, and constipation.
After 7-12 days:
Studies show that, at this point, the body is used to caffeine as it does with drugs. In the future, the effects will be less intense.Last Mod: 19 Eylül 2018, 18:22