Most pregnancy guidance sets a daily caffeine cap at 200 mg during the first trimester.

An 8-oz brewed coffee is commonly near 95 mg of caffeine, while black tea is nearer 50 mg and green tea nearer 30 mg.

A 12-oz (355 ml) Coca-Cola has 34 mg of caffeine, and Diet Coke has 46 mg per 12-oz can.

A standard cappuccino made with one espresso shot usually lands around 60–75 mg of caffeine, while a double-shot version often sits near 120–150 mg.

A standard 8-ounce cup of brewed chai usually lands around 25–55 mg of caffeine, shaped by the tea, the steep, and the recipe.

Most adults do fine up to 400 mg caffeine a day; pregnancy is capped at 200 mg, and teens often need less.

Most nursing parents feel fine at up to 200–300 mg of caffeine a day, and many babies do best when you stay closer to 200 mg in the early months.

Most nursing parents can have up to 300 mg of caffeine a day; lower limits fit newborn or preterm babies.

Most pregnant people do best staying at or under 200 mg of caffeine per day, counting every source in drinks, foods, and some meds.

Most nursing parents can stick to 300 mg of caffeine a day and keep baby comfortable, with smaller limits if baby seems sensitive.