Pharmacokinetics & Timing Calculator
Visualize how long substances stay in your system. Optimize your dosing schedule to prevent sleep disruption and tolerance.
Dosing Schedule
Physiology Settings
Metabolic Clearance Over 24 Hours
✔
Sleep Optimized: Stimulant levels should drop sufficiently low by your target bedtime.
Pharmacokinetic Breakdown
Caffeine
Hepatic CYP1A2 (primarily), CYP2E1, CYP3A4
Adjusted Half-Life5.5 hrs
Tmax (Peak)+0.8 hrs
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