Study: Caffeine Content In Sodas

Published: Sep. 5, 2007 at 9:10 PM CDT|Updated: Sep. 12, 2007 at 1:10 AM CDT
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We talk about caffeine all the time but have you ever noticed the amount of caffeine is not one of the things listed on your soda's label.

Now we know the truth. A new study ranking the caffeine content in your favorite soft drinks may surprise you.

Whether you turn to energy drinks, coffee, or soda's. East Texans do like their caffeine.

We gave East Texans the caffeine test. Most people we talked to Wednesday thought Mountain Dew would be at the top of the list, but it's not.

A study from Auburn University ranked caffeine content in select soft drinks. Pepsi One which has only one calorie has about 57 mg of caffeine, Mountain Dew is close behind with almost 55 mg, then Diet Coke at 46.3 mg, Dr. Pepper at 42.6 mg , Pepsi at 38.9 mg, Diet Pepsi at 36.7 mg, and Coca-Cola at 33.9.

Many found it surprising that Sunkist (41 mg) has more than Coca-Cola.

"I would have never guessed that. Usually I think caffeine associated with color," said Angel Rosario.

The study also found citrus flavored sodas often have more caffeine than popular colas. Something we asked a local dietician.

"Caffeine is not only used for a pick me up it is also used as flavoring," said UT Health Center Dietician Karla Wallace, "It has a very bitter taste and used as flavoring in a lot of your citrus flavored drinks."

Some people are a lot more sensitive to caffeine than others and so you really have to be careful of how much that you drink to monitor sleep disturbances and jitteriness while most sodas don't list their caffeine on their label, some brands are heading in that direction.

Pepsi has begun listing the amount of caffeine on some of their products. By the way a 12 oz. cup of coffee has about 150 mg of caffeine. Far more than any of the sodas.

Here is a list of many beverages caffeine content.

Danielle Capper, Reporting.