How much caffeine is too much?

The U.S. FDA says healthy adults can have up to 400mg of caffeine a day without having adverse health effects. Limits may be less for children and pregnant women.

That would be like having eight 12-oz cans of Diet Coke, four to five cups of coffee (1 cup = 8oz) or 20 squares of dark chocolate (1 square = 1oz).

Check out the video above to learn how much caffeine is too much on YouTube.


How much caffeine is there in a Coca-Cola?

People are often surprised when they learn that the amount of caffeine in Coke is much less than in the same-sized coffee.

12-oz Coca-Cola

34mg of caffeine

12-oz coffee

140mg or more

To learn about the caffeine content in our beverages, visit Coca-Cola Product Facts. We also include caffeine content near the Nutrition Facts label on our cans and bottles.

And if you’re looking for a caffeine-free beverage, you’re in luck! We offer a range of caffeine-free soda and other drinks. Try Caffeine-Free Diet Coke.

Did you know? Sprite and Fresca soda are caffeine-free!

Is caffeine safe?

Caffeine is known to be safe when consumed in moderation. Every day, millions of people enjoy food and beverages with caffeine, including coffee, tea and soft drinks. Because caffeine has been consumed for centuries, we know a lot about it. It is widely studied, and how much we use in our drinks is known to be safe.


What does caffeine do to your body?

Caffeine is a mild stimulant and can affect people in different ways depending on:

  • how much you have
  • when it is consumed, and
  • how often you consume it. 

If you are concerned about any caffeine effects, talk to your doctor.


Is caffeiene addictive?

No. says there is no evidence of caffeine addiction.

Caffeine is a mild stimulant. If you have it regularly and then stop abruptly, you may experience some minor effects. But most of us can reduce or eliminate caffeine from our diets without serious problems.

We recommend contacting your doctor if you are concerned about caffeine.


Will I get caffeine withdrawal? Are there caffeine side effects?

Caffeine is a mild stimulant and affects people differently. If you have it regularly, you may experience mild short-term withdrawal if you stop it abruptly.

If you are concerned about any potential effects of caffeine, talk to your doctor.


Is caffeine dehydrating?

The main ingredient in all of our caffeinated beverages is water. So while they may have a mild diuretic effect, the fact they contain water means they still help to hydrate you.

If you are concerned about caffeine and dehydration, we recommend speaking with your doctor.


Can coffee cause heartburn?

Foods and drinks with caffeine, like coffee, may trigger heartburn. However, the science isn’t clear. Some say heartburn symptoms from coffee may be a result of other components of coffee other than caffeine.

Healthy individuals need not worry that their daily cup of coffee or caffeinated beverage is harming their health.

If you are worried about heartburn or effects of caffeine on the body, please see your doctor.


Do you have caffeine-free soda?

Yes! We know not everyone likes caffeinated drinks or wants them all the time. That’s why we offer a range of caffeine-free beverages, so people can make the choice for themselves and their families.

Some are caffeine-free versions of our classic Coca-Cola beverages. Others are naturally caffeine-free, like our juices and waters.

The choice is yours!


Enjoy these popular caffeine-free drinks

We have a selection of caffeine-free soda and beverages. Try some of our favorites:


Learn more