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Caffeine lust

That Dunkin' Donuts free espresso shot in an iced coffee is a double-edged sword, Karen limns, awake way past midnight.

LESS Caffeine

By briank | Fri, 05/01/2009 - 9:36am

Well, if it kept her up past midnight, it wasn't because of the caffeine. Espresso has less caffeine than regular coffee, so adding a shot to your iced coffee only increases it by about 100mg, whereas the iced coffee itself is packing somewhere around 400mg.

(By comparison, a can of cola has about 50mg of caffeine)

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