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Most healthy adults can have up to 400 mg of caffeine per day, while some groups need lower daily caffeine limits.

Most breastfeeding parents can have about 300 mg of caffeine per day, though some guidelines suggest aiming closer to 200–300 mg and watching the baby’s

Most healthy adults can have up to 400 milligrams of caffeine per day, while pregnancy, teens, and health issues call for lower daily limits.

For most healthy adults, more than about 400 mg of caffeine in one day can be risky, and intakes near 1,000–1,200 mg raise danger sharply.

Most healthy adults can have up to 400 mg of caffeine max per day, while pregnancy and some conditions call for lower personal limits.

For healthy adults, a normal caffeine intake per day is up to 400 mg, equal to about four small cups of brewed coffee from all sources combined.

Most adults stay awake with 40–200 mg of caffeine, while daily intake should stay near or below 400 mg from all sources.

Most healthy adults should stay at or under 400 mg of caffeine a day, while pregnancy and some conditions call for 200 mg or less.

Most healthy adults can safely have up to 400 mg of caffeine per day, while pregnancy, medical factors, and age usually call for lower daily limits.