Daily How Much

Many adults stay alert with 50–200 mg spaced out, while keeping total daily intake at 400 mg or less.

A fresh apple contains 0 mg of caffeine, so any “kick” you feel comes from carbs, hydration, or caffeine added in apple-flavored products.

One 12 fl oz can of Diet Mountain Dew has 54 mg of caffeine, so it lands in the mid-range for caffeinated soda.

A 12-oz can of Diet Dr Pepper contains 41 mg of caffeine, which sits in the same range as many caffeinated sodas.

Most clinicians set a daily caffeine cap of 200 mg while pregnant, counting coffee, tea, soda, chocolate, and some medicines.

A 12-oz can of Coca-Cola Zero Sugar contains 34 mg of caffeine, which is modest compared with coffee and close to many colas.

Most pregnancies fit a daily caffeine cap of 200 mg, which is often one small coffee plus one other low-caffeine pick.

Many healthy adults can have up to 400 mg of caffeine per day, while pregnancy and teens call for lower limits.

Most nursing parents do fine at 200–300 mg of caffeine a day, with lower limits for preterm or young newborns.

Most pregnant people are advised to keep caffeine at 200 mg a day or less, counting coffee, tea, soda, chocolate, and some medicines.