How does body metabolize caffeine?

Caffeine is metabolized primarily in the liver by enzymes, particularly cytochrome P450 1A2. Once consumed, it is absorbed into the bloodstream and reaches peak levels within about 30 to 60 minutes. The liver breaks it down into three main metabolites: paraxanthine, theobromine, and theophylline, which can influence various bodily functions. The rate of metabolism can vary based on factors such as genetics, age, and overall health.