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.
免費使用200+健康計算器，保存結果並追蹤進度。
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.
建立免費帳戶以使用所有健康計算器並儲存結果。
使用 Google 帳戶快速安全登入
Understand caffeine metabolism.