Long-tail guide
Caffeine Withdrawal From 300mg/Day
Moderate-to-high intake that benefits from a structured taper to reduce headaches and fatigue.
What to expect
- - Headaches and fatigue are the most common symptoms
- - Symptoms often peak around day 2 to 3 for many people
- - Sleep can improve, but the first few nights may feel off
- - At ~300mg/day, a taper can reduce headache intensity compared with cold turkey
- - Energy dips and brain fog can linger into the first week
A taper plan starting point
- - Days 1-2: 240mg
- - Days 3-4: 190mg
- - Days 5-6: 150mg
- - Days 7-8: 120mg
- - Days 9-10: 100mg
- - Days 11-12: 80mg
- - Days 13-14: 60mg
- - Days 15-16: 40mg
- - Days 17-18: 20mg
- - Day 19: 0mg
This is a general guide. Adjust for your schedule and comfort. If you have health concerns, consult a professional.
Run the calculator
Use the homepage tool to estimate intake from coffee, tea, and energy drinks, then compare it against this guide.
Related intake guides
Caffeine Withdrawal From 50mg/Day
Low intake withdrawal is usually mild, but headaches and fatigue can still happen.
Caffeine Withdrawal From 75mg/Day
Low intake withdrawal is usually mild, but headaches and fatigue can still happen.
Caffeine Withdrawal From 100mg/Day
Common intake range where symptoms are noticeable but often manageable with a short taper.