DietCoke
Frequently asked questions
 

Questions about Diet Coke?
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PRODUCTS

When was Diet Coke introduced?
1982. For a history and timeline of Diet Coke brands like Diet Vanilla Coke and Diet Coke with Lemon, read more in The Diet Coke Story.

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How many calories are in Diet Coke?
An eight-ounce serving or Diet Coke contains less than one calorie.

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What makes up the fraction of a calorie in Diet Coke?
Aspartame, caramel color and citric acid are all ingredients of Diet Coke.

Components of each of these contribute to the caloric content of Diet Coke.

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Why does the label state that Diet Coke contains zero calories?
Because the amount of calories is under five, the U.S. Food and Drug Administration (FDA) requires that we round the amount of calories to zero on the Nutrition Facts panel.

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Does Diet Coke contain sugar?
Diet Coke contains 0.1 grams of sugar (carbohydrates), which is derived from the caramel color.

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What sweetener is used in Diet Coke?
Diet Coke served in cans and bottles in the U.S. is sweetened with aspartame, while the fountain dispensed product is sweetened with a blend of aspartame and saccharin.

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What is aspartame?
Aspartame is a low-calorie sweetener made primarily of two amino acids, aspartic acid and phenylalanine.

Amino acids, including the two amino acids in aspartame, are the building blocks for proteins and are widely found in nature in both plants and animals.

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Is aspartame safe?
Yes, the safety of all ingredients used in the products of The Coca-Cola Company including aspartame has been established, and the use of these ingredients complies with relevant regulations in all countries where our products are sold.

More than 90 nations worldwide have approved aspartame for use. It is widely used in countries such as the U.S., the European Union, Canada and Japan. Aspartame has been reviewed by health authorities around the world and found to be safe.

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Why is the U.S. fountain version of Diet Coke sweetened with aspartame and saccharin?
Because aspartame by itself is heat and pH-sensitive (meaning it loses sweetness over time), the concentrated found syrup causes aspartame to lose it sweetness faster than it would in a finished beverage. Fountain diet drinks, therefore, are sweetened with a blend of aspartame and saccharin to assure maximum product quality.

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Why is the statement “contains phenylalanine” on the label?
Some individuals with a rare hereditary disease known as phenylketonuria (PKU) are unable to metabolize phenylalanine adequately and need to control their intake of this amino acid from all food sources.

Products formulated with aspartame carry a statement on the label that phenylalanine is present.

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What is the difference between Coke Light and Diet Coke?
Coke Light and Diet Coke are both low-calorie soft drinks, and we offer diet products for the segment of the population that prefers low-calorie carbonated beverages.

In certain countries, the word “diet” is not used to describe low-calorie foods and beverages. In these countries, we offer Coke Light. The sweetener blend used for Coke Light is formulated for each country based on consumer preference.

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Why did you decide to introduce Diet Coke with Lime?
Diet Coke is the most popular diet soft drink in the world—people love Diet Coke. So we’re providing them with another flavorful way to enjoy it.

Many people already enjoy Diet Coke with a squeeze of lime, and our research told us lime was the flavor you’d like to see next in Diet Coke.

More and more people are looking for great-tasting, low-calorie options as they strive to live a balanced lifestyle, and we’re glad to be the first diet cola to offer the delicious option of lime.

We also did taste tests and Diet Coke with Lime scored among the highest in testing done with diet carbonated soft drinks.

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Where can I find this delicious new product?
Diet Coke with Lime launched nationally on January 19thand you’ll be able to find it across the country in grocery stores, supermarkets, mass retailers, drug stores, convenience stores, and in vending machines.

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In what kind of packaging will Diet Coke with Lime be available?
You can try delicious Diet Coke with Lime in 20-ounce bottles, 2-liter bottles, and 6-pack cans, with 12-can fridge packs available nationally on March 1st.

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Is Diet Coke with Lime replacing Diet Coke with Lemon?
No. The two flavors complement each other, yet satisfy different tastes, and offer more variety to our Diet Coke drinkers.

Because of the positive response to the light, natural citrus flavor of Diet Coke with Lime, the same flavor approach has been followed to give Diet Coke with Lemon a lemon taste that is lighter than the original.

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Will Diet Coke with Lime be available outside the U.S.? If so, where and when?
Several countries have expressed interest in launching a similar flavor in their Diet Coke portfolio, but no specific details have been announced at this time.

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How do I contact customer service assistance?
To contact Customer Service click the Contact Us button below to get to the help form.

Please fill it out, click Submit, and we’ll get back to you as soon as possible.

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