Caffeine Tracker
Log every caffeinated drink and see your total for today against the general 400 mg adult daily guideline. Everything stays in your browser — nothing is uploaded.
Today's intake
0 mg
0 mg
Guideline: 400 mg/day for most healthy adults
400 mg remaining
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Caffeine cutoff planner
Caffeine can stay active in the body for hours. A common rule is to stop about 6 hours before bed.
Cutoff time: 17:00 — avoid caffeine after this.
Today's log
Good to know
- For most healthy adults, up to 400 mg of caffeine per day is generally considered safe by food-safety authorities — roughly 4 small brewed coffees.
- Avoid caffeine for about 6 hours before bed so it does not interfere with your sleep.
- Energy drinks often combine high caffeine with sugar — check the label, values vary a lot.
- If you are pregnant, breastfeeding, or have a heart condition, talk to a doctor about your limit.
This tool is a simple log for awareness only. It does not diagnose anything or replace medical advice.