Melatonin remaining calculator
Add doses with their amount and how many hours ago they were taken. The tool uses a melatonin half-life model to compute remaining amounts and draws a decay graph.
How to use the form
- Type — Standard uses typical doses (1mg, 3mg, 5mg, 10mg); choose Custom to enter exact mg.
- Hours ago — how many hours have passed since you took it (use decimals, e.g. 0.5 for 30 minutes).
Type (mg per dose)
Hours ago
Actions
Summary
Projected decay (next 12 hours)
Default half-life: ~0.75 hours (45 minutes). Melatonin is metabolized quickly in the body. Common doses: 1mg, 3mg, 5mg, 10mg.