Most pregnancy guidance caps caffeine at 200 mg per day, which is around one 12-oz brewed coffee, depending on the brew.

Most breastfeeding parents do well at 200–300 mg of caffeine per day, with a lower cap for preterm or newborn babies.

Most nursing parents can have up to 200 mg caffeine a day, spread out, while watching baby for fussiness or sleep trouble.

Most nursing parents do well staying at or under 300 mg of caffeine per day, spaced out, with tighter limits when the baby is premature or newborn.

Most adults do fine at 400 mg a day or less, and sleep often improves when the last caffeine hits 6–8 hours before bedtime.

Most pregnancy guidance sets a daily caffeine ceiling at 200 mg, counting drinks, chocolate, and certain medicines.

Most healthy adults can stay at 400 mg caffeine a day; pregnancy and teens call for lower totals.

Most pregnancy guidance caps caffeine at 200 mg a day, which is about one 12-oz brewed coffee.

Most nursing adults do fine at 200 mg of caffeine per day, spread across the day, while watching baby sleep and fussiness.

Most kids do best with no caffeine, and teens who do have it should keep daily intake near 100 mg.