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Diet Mountain Dew

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Diet Mountain Dew
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The official Diet Mountain Dew label art.
Flavor: Citrus
Color: Yellow Green      
Current Status: US, Canada, New Zealand, UK: Permanent Flavor Denmark and Finland: Discontinued
Locations Available: United States

United Arab Emirates


New Zealand

Year(s) Available: US: 1984 - Present

Denmark and Finland: ? - 2013

Related Flavors: Mountain Dew, Caffeine-Free Diet Mountain Dew
Related Promotions: Honor the Code, Fuel the Frenzy, Dew XP, DewGothamCity, Iconic Summer, Every2Minutes, Fuel Up For Battle

Diet Mountain Dew (also known in Denmark and Finland as "Free Mountain Dew", in the U.K. as "Sugar Free Mountain Dew" and in New Zealand as "Mountain Dew No Sugar") is a Mountain Dew variant with only 10 calories, compared to the 290 calories in the original. Its tagline is "Zero calorie DEW"



Current Diet Mountain Dew dome bottle design.

Diet Mountain Dew is only a modified version of the original formula, but has the same citrus taste and yellow-green coloring.


  • Diet Mountain Dew was originally branded as "Sugar-Free Mountain Dew" when it was first released, until 1986, when it received the name it currently has.
  • A caffeine-free variant of this drink also exists.
  • In 2006 Diet Mountain Dew was reformulated with a new "Tuned Up Taste", using a blend of sucralose, aspartame, and acesulfame potassium as sweeteners. The previous formulation was sweetened exclusively with aspartame.


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