Diet Mountain Dew

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Diet Mtn Dew contains the same amount of caffeine as regular Mountain Dew.

However, Diet is sweetened with Aspartame, Ace-k and sucralose (Splenda).

Note that there is also a caffeine-free version of Diet Mountain Dew.

Mountain Dew flavor variation, Code Red, also comes in a diet version. 

Where To Buy

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Diet Mountain Dew (12 oz. cans, 36 ct.)
Amazon.com Price $32.28 ($0.07 / Fl Oz)
(as of 19:22 EST More InfoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.)

Diet Mountain Dew, 12oz Can (Pack of 18, Total of 216 Fl Oz)
Amazon.com Price $28.19 ($2.35 / Fl Oz)
(as of 19:22 EST More InfoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.)

Diet Mountain Dew, 20oz Bottle (Pack of 10, Total of 200 Fl Oz)
Amazon.com Price $26.99 ($1.35 / Fl Oz)
(as of 19:22 EST More InfoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.)

Mountain Dew Diet Soda, 20 Ounce (Pack of 24)
Amazon.com Price $47.99 ($0.10 / Fl Oz)
(as of 19:22 EST More InfoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.)

Diet Mountain Dew Caffeine Free
Amazon.com Price $12.99 ($0.14 / Ounce)
(as of 19:22 EST More InfoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.)

Ingredients in Diet Mountain Dew

Carbonated Water, Concentrated Orange Juice, Citric Acid, Natural Flavor, Potassium Benzoate (preserves Freshness), Citrus Pectin, Aspartame, Potassium Citrate, Caffeine, Sodium Citrate, Acesulfame Potassium, Sucralose, Gum Arabic, Sodium Benzoate (preserves Freshness), Calcium Disodium Edta (to Protect Flavor), Yellow 5

Compared to Other Items

Diet Mountain Dew contains 4.50 milligrams of caffeine per fluid ounce (15.22 mg per 100 ml). A 12 fl oz can has a total of 54 milligrams of caffeine.

Total Caffeine (mg)

Sources

From the Mountain Dew website https://www.mountaindew.com/ and from https://www.pepsicobeveragefacts.com/

See more on how we find caffeine amounts.

Last updated on 10 Feb 2021.

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