How Long Does Caffeine Last? (Duration of Effects)

On average, it takes the body about 10 hours to process and metabolize all in your system.
The total duration will change depending on the individual and their ability to metabolize caffeine. Some people metabolize more quickly (5 to 6 hours), others slower (up to 12 hours).
People who metabolize หากคุณสนใจเล่นพนันออนไลน์ที่ดีที่สุด สามารถสมัครสมาชิก UFABET ได้ที่นี่ พร้อมรับโปรโมชั่นพิเศษสำหรับสมาชิกใหม่ too quickly may experience the dreaded crash. Leaving you feeling tired and even worse than before as your body adjusts.
Others metabolize slowly leading to feelings of anxiety, overstimulation, and difficulty sleeping.
That being said, most people experience peak effects around 45 minutes to an hour after drinking coffee, which lasts between 1 and 2 hours before tapering off.
Caffeine Timeline of Effects
We’ve broken down the effects of caffeine into a timeline, highlighting the short-term and long-term impacts on physical and cognitive performance.
The First Hour (Onset)
Caffeine is a pretty fast-acting stimulant. So it reaches your bloodstream quickly once you take your first few sips of tea or coffee.
10 minutes: The starts to affect your adenosine receptors, making you feel more alert and awake. Once reaches your brain, you’ll start to feel that typical buzz of alertness and awakeness that people associate with a good coffee. Some people may also experience the “caffeine jitters” as it affects their central nervous system, causing them to experience tremors or shakes in their body.
30 minutes: and the chlorogenic acid in coffee work together to curb your appetite, and your body begins to burn fat more easily
1 hour: After 60 minutes of blocking your adenosine receptors. The change in the adenosine levels results in increased production of dopamine, boosting your mood.
Peak Effects (2–3 Hours In)
Caffeine’s peak effects kick in within about 1 hour after drinking. This effect usually remains in full force for about an hour or two before it starts to fade out.
Peak effects of caffeine include:
- Increased breathing and heart rate
- Increased physical energy
- Increased mental alertness
- A “refreshed” feeling
The Halfway Point (3–5 Hours In)
Once you’ve experienced its initial effects. The caffeine still lingers in your system even though you might not feel it as intensely as when you first had your drink of coffee. This leads to a feeling of sustained energy and focus over the next couple of hours until you reach the halfway point.