The 10 Most Caffeinated Diet Drinks

The 10 Most Caffeinated Diet Drinks

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Did you know that diet sodas have more caffeine than regular soda?

Diet Coke has 46.5mg caffeine compared to regular Coke that has 34.5mg. That’s a thirty per-cent increase!

Here are the 10 most caffeinated diet soft drinks – and they are nowhere near the levels of caffeine in Starbucks drinks.

Diet Pepsi Max

Per 12oz can : 69mg caffeine

A can of regular Pepsi-cola contains 38mg caffeine.

Diet Sundrop

Per 12oz can: 69mg caffeine

Sun Drop is a brand of citrus soda drink from Cadbury-Schweppes. The level of caffeine in the Diet version came as a complete surprise – but then – even the regular version has 63mg in a 12oz can. Note: regular can displayed.

Diet Mountain Dew

Per 12oz can: 55mg caffeine

Mountain Dew is one of the most popular citrus soft drinks. Both diet and regular have the same amount of caffeine. In countries outside the USA – Mountain Dew has either reduced amounts of caffeine (or no caffeine at all).

Pepsi ONE

Per 12oz can: 54mg caffeine

Pepsi ONE is a very similar formulation to Diet Coke with Splenda – although Pepsi ONE contains significantly more caffeine.

Diet Cheerwine

Per 12oz can: 48.1mg caffeine

Diet RC Cola

Per 12oz can: 47.3mg caffeine

Royal Crown (RC) colas have been around for a long time and are currently owned by Cadbury Schweppes. As in the case of Diet Coke – here the diet version has more caffeine than the regular RC Cola. 2


Per 12oz can: 46.5mg caffeine

TaB (from Coca-cola) is one of the oldest diet or sugar-free soft drinks around. It has more caffeine than Diet Coke

Diet Coke

Per 12oz can: 46.5mg caffeine

Diet Coke has significantly more caffeine in it than regular coke (34.5mg).

Diet Sunkist Orange Soda

Per 12oz can: 41.5mg caffeine

Contains slightly more than the regular version of Sunkist. Who would have thought that Orange Soda was caffeinated?

Diet Dr Pepper

Per 12oz can: 41mg caffeine

Contains the same amount as regular Dr Pepper.

How Much Caffeine in Instant Coffee?

According the USDA – 1 rounded teaspoon of instant coffee powder contains 57mg of caffeine. (source).

What about Diet Coke Plus?
The vitamin-filled Diet Coke Plus contains the same amount of caffeine as Diet Coke.

Diet Pepsi?
Didn’t even make it to this list. Diet Pepsi has 36mg caffeine in a 12oz can.

Sources: The CaffeineInformer caffeine database and caffeine in citrus soda, along with PepsiCo, Coca-cola, Sundrop.

Watch the video: Break Your Sugar Addiction in 10 Days (August 2022).