7 guides
Everything about caffeine
Dosage, timing, sleep, training, and comparisons with coffee and energy drinks. Written to be useful whether or not you buy anything — including the parts where coffee wins.
Basics
Dosage & safety
- How much caffeine is too much?400mg a day, 200mg in one go, for healthy adults. What those thresholds actually translate to in cups and pouches.7 min · updated 2026-08-04
- Caffeine and sleep: the cut-off timeHalf of the caffeine you take at 3pm is still in you at 8pm. How to calculate a cut-off that fits your own bedtime.5 min · updated 2026-08-04
Comparisons
- Caffeine pouches vs coffeeWhere pouches genuinely win, where coffee genuinely wins, and the cost-per-dose arithmetic nobody in this category likes publishing.6 min · updated 2026-08-04
- Caffeine pouches vs energy drinksA 250ml energy drink is about 80mg of caffeine carried in a lot of sugar. Here is the like-for-like comparison.5 min · updated 2026-08-04