Caffeine Half-Life Calculator
Supplement DosageTrack caffeine metabolism based on your genetics and tolerance. Know when you can sleep peacefully.
Caffeine Half-Life
Understand caffeine metabolism.
Track caffeine metabolism based on your genetics and tolerance. Know when you can sleep peacefully.
免费使用200+健康计算器，保存结果并追踪进度。
Track how long caffeine stays in your system and its impact on sleep
Caffeine should be mostly cleared by bedtime
Recommended: Keep caffeine below 25mg at bedtime for minimal sleep disruption. Even 50mg can increase sleep latency by 20 minutes.
创建免费账户以使用所有健康计算器并保存结果。
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Understand caffeine metabolism.