Coca-Cola

Diet Coke

Barcode 5449000053879

Scanned 105 times by Nomi users

Yes — Diet Coke is ultra-processed.

The ingredient list is valid. The product is classified as ultra-processed (UPF) because it contains several industrial additives: caramel colour (E150d), artificial sweeteners (aspartame, acesulfame K), and natural flavourings, all of which are characteristic of ultra-processed foods in the NOVA system.

Ingredients

4 ultra-processed markers

OK

carbonated water

A basic beverage ingredient consisting of dissolved CO2 in water, providing fizz without flavor additives.
UPF

caramel color (e150d)

A food-grade caramel color produced by heat-treatment of sugar with acids or alkalis; used as a color additive.
UPF

artificial sweeteners (aspartame, acesulfame k)

A blend of synthetic sweeteners used as sugar substitutes in beverages and foods; contains aspartame and acesulfame K.
UPF

natural flavourings

Flavorings derived from natural sources used to impart taste or aroma; typically a mix of essential oils, compounds, or extracts.
UPF

caffeine flavoring

Caffeine is a stimulant; when labeled as a flavoring, it implies addition of caffeine with flavoring agents. Depending on formulation, this can be a standard ingredient in beverages. Flavorings can be artificial or natural.
OK

acids (phosphoric acid, citric acid). contains a source of phenylalanine

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Common questions about Diet Coke

Is Diet Coke ultra-processed?

Yes — Diet Coke by Coca-Cola is ultra-processed, so it counts as a UPF (ultra-processed food). The ingredient list is valid. The product is classified as ultra-processed (UPF) because it contains several industrial additives: caramel colour (E150d), artificial sweeteners (aspartame, acesulfame K), and natural flavourings, all of which are characteristic of ultra-processed foods in the NOVA system.

Which ingredients in Diet Coke are ultra-processed?

Nomi flags 4 ingredients in Diet Coke as ultra-processed markers: caramel color (e150d), artificial sweeteners (aspartame, acesulfame k), natural flavourings, caffeine flavoring. See the full ingredient breakdown above for what each one is.

What does "ultra-processed" (UPF) mean?

Ultra-processed foods (UPFs) are industrial formulations made with ingredients and additives you wouldn't find in a home kitchen — such as emulsifiers, artificial flavourings, colourings and modified starches. The classification is based on the NOVA system used by researchers and dietitians worldwide.

How can I check whether other foods are ultra-processed?

Scan any barcode — or photograph the ingredients label — with the free Nomi app for iOS and Android. You'll get an instant ultra-processed verdict with every ingredient explained in plain English.

Product information comes from public databases and Nomi's own analysis, and may contain errors. Always check the packaging. Ultra-processed classification is based on the NOVA food processing system.