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Caffeine Falloff Calculator

Track your caffeine intake and understand how it affects your body over time.

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The half-life of caffeine is approximately 5 hours. This means that every 5 hours, the amount of caffeine in your body reduces by half.

Caffeine Half-Life Facts
  • 1Caffeine's half-life varies between individuals, typically ranging from 3 to 7 hours.
  • 2Factors like age, body weight, and liver function can affect how quickly you metabolize caffeine.
  • 3Smoking can decrease caffeine's half-life, while pregnancy can increase it.
  • 4The effects of caffeine can be felt within 15-45 minutes of consumption.
  • 5Some people may feel effects for up to 10 hours due to slower metabolism.
Managing Caffeine Intake Tips

Track your caffeine intake throughout the day to avoid exceeding recommended limits.

Consider the timing of your last caffeine consumption - avoid it within 6 hours of bedtime.

Be aware that tolerance to caffeine can develop over time.

Stay hydrated by drinking water alongside caffeinated beverages.

Pay attention to how your body responds to caffeine and adjust intake accordingly.