
Pepsi Zero Sugar, formerly known as Pepsi Max, is a sugar-free, zero-calorie cola beverage. It was introduced in North America as Pepsi Max in 2006, and renamed Pepsi Zero Sugar in 2016. Outside of North America, the drink is still known as Pepsi Max. Pepsi Zero Sugar is marketed as a bolder, closer-to-original Pepsi alternative, with more caffeine and a blend of two artificial sweeteners—acesulfame potassium and aspartame—which give it a richer and more intense flavour. Diet Pepsi, on the other hand, has been around since the 1960s and uses only aspartame as its sweetener. It has a smoother, lighter profile with a slightly dry finish. While both drinks are sugar-free colas, they cater to different taste buds.
| Characteristics | Values |
|---|---|
| Ingredients | Pepsi Zero Sugar contains carbonated water, caramel colour, aspartame, phosphoric acid, potassium benzoate, caffeine, citric acid, and calcium disodium EDTA. Diet Pepsi contains carbonated water, caramel colour, aspartame, phosphoric acid, potassium benzoate, caffeine, citric acid, and acesulfame potassium. |
| Sweeteners | Pepsi Zero Sugar uses a blend of aspartame and acesulfame potassium. Diet Pepsi uses aspartame. |
| Caffeine Content | Pepsi Zero Sugar has more caffeine than Diet Pepsi. |
| Taste | Pepsi Zero Sugar has a richer, more intense, and smoother taste. Diet Pepsi has a lighter, crisper, and drier taste. |
| Packaging | Pepsi Zero Sugar comes in a black can. Diet Pepsi comes in a silver can. |
| Brand | Both drinks are made by the PepsiCo brand. |
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What You'll Learn
- Pepsi Zero Sugar contains no sugar, using sweeteners like aspartame and acysulfame potassium
- Pepsi Max is a low-calorie drink, providing the Pepsi taste without the calories
- Pepsi Zero Sugar originally contained twice the caffeine of other Pepsi beverages
- Pepsi Max was introduced to South Korea, Bulgaria, and the Philippines in 2006
- Pepsi Zero Sugar and Pepsi Max both offer healthy alternatives to traditional sugar

Pepsi Zero Sugar contains no sugar, using sweeteners like aspartame and acysulfame potassium
Pepsi Zero Sugar and Diet Pepsi are both sugar-free colas, but they are formulated for different tastes. Pepsi Zero Sugar contains no sugar and is sweetened with a blend of aspartame and acesulfame potassium (also known as Ace-K). Diet Pepsi, on the other hand, uses aspartame as its primary sweetener. Aspartame is an artificial sweetener that is 200 times sweeter than regular sugar, yet it contains no calories, making it a popular choice for diet sodas.
The difference in sweeteners gives each drink a distinct flavour. Pepsi Zero Sugar has a richer and more intense taste, with a slight tang, and is often preferred by those who want a full-bodied soda experience without the sugar. It also has a higher caffeine content than Diet Pepsi, which contributes to its bolder profile.
Diet Pepsi, in comparison, has a lighter, crisper, and drier taste. It is known for its mild, almost dry, cola flavour and is described by some as having a cleaner finish. The lower caffeine content in Diet Pepsi also contributes to its smoother and less intense profile.
The choice between the two ultimately comes down to personal preference. If you're looking for a sugar-free option that closely resembles the taste of regular Pepsi, Pepsi Zero Sugar might be a better choice. On the other hand, if you prefer a lighter and less intense cola, Diet Pepsi could be your go-to drink.
While both drinks offer a sugar-free experience, it's important to note that artificial sweeteners, including aspartame and Ace-K, have faced scrutiny over potential health risks. In 2023, the World Health Organization classified aspartame as "possibly carcinogenic to humans," although the FDA still considers it safe for consumption within specified limits.
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Pepsi Max is a low-calorie drink, providing the Pepsi taste without the calories
Pepsi Max is a low-calorie drink, providing the taste of Pepsi without the calories. Pepsi Max was introduced to South Korea, Bulgaria, and the Philippines in 2006, and was also reintroduced in Argentina in the same year. In 2007, it was introduced in Brazil, Egypt, Jordan, Lebanon, Turkey, and the United Arab Emirates.
Pepsi Max uses a blend of aspartame and acesulfame potassium to provide its sweetness, while other diet colas are sweetened by aspartame alone. Aspartame is also the sweetener used in Diet Pepsi, which has been around since the 1960s. Pepsi Max has more caffeine than Diet Pepsi, and is marketed as a bolder, closer-to-original Pepsi alternative.
In the UK and Australia, Pepsi Max advertisements have featured the taglines "Maximum taste, no sugar" and "Don't worry, there's no sugar", targeting young men with their campaigns. In 2010, Pepsi began to change its North American branding of Pepsi Max to match the global branding, with a new slogan: "Zero Calories". In 2015, PepsiCo announced that Pepsi Max would be renamed in North America as Pepsi Zero Sugar, while the international drink retained the Pepsi Max name.
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Pepsi Zero Sugar originally contained twice the caffeine of other Pepsi beverages
Pepsi Zero Sugar and Diet Pepsi are two different drinks with distinct formulas, despite serving a similar purpose. They are both sugar-free colas, but Pepsi Zero Sugar was originally formulated with nearly twice the caffeine content of other Pepsi beverages, including Diet Pepsi. Before a recipe change in late 2022, Pepsi Zero Sugar contained 69 milligrams of caffeine per 355 ml, while Diet Pepsi contained 36 milligrams.
The higher caffeine content in Pepsi Zero Sugar was intended to deliver a bolder, fuller-bodied flavour, making it a closer-to-original Pepsi alternative. The extra caffeine gave the drink a little more bite, which some consumers preferred. In addition to caffeine, Pepsi Zero Sugar also contains the artificial sweetener acesulfame potassium, which is not found in Diet Pepsi. This sweetener is used in combination with aspartame, which is present in both drinks.
The higher caffeine content of Pepsi Zero Sugar was a key differentiator between the two drinks, with Diet Pepsi offering a milder, lighter taste profile. Diet Pepsi has been described as having a crisp, dry, and less intense flavour, while Pepsi Zero Sugar is richer and more intense, with a smoother and more thirst-quenching profile. The difference in taste is particularly noticeable when the drinks are consumed with food, as Diet Pepsi can have a throat-stabbing effect, while Pepsi Zero Sugar goes down more easily.
The packaging of the two drinks also varies, with Diet Pepsi featuring a silver can and Pepsi Zero Sugar coming in a black can. The words "Zero Sugar" on the Pepsi Zero Sugar can are small, making it easy to mistake for regular Pepsi, unless one notices the bright blue can of the sugar version.
In January 2023, PepsiCo reformulated Pepsi Zero Sugar in the United States to reduce its caffeine content, bringing it closer to the level found in Diet Pepsi. This change may have narrowed the taste difference between the two drinks, but Pepsi Zero Sugar still retains its distinctive flavour profile and continues to be a preferred choice for many consumers.
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Pepsi Max was introduced to South Korea, Bulgaria, and the Philippines in 2006
Pepsi Max, a low-calorie, sugar-free cola, was introduced to South Korea, Bulgaria, and the Philippines in 2006. It was also reintroduced in Argentina the same year. The drink was originally launched in the UK, Australia, and Italy in 1993, and by the end of 1995, it was being sold in over 40 countries.
Pepsi Max has been marketed as a drink with "maximum taste, no sugar", targeting young men through advertising campaigns involving extreme sports and video games. In contrast, other diet cola drinks tend to target young women.
Pepsi Max remained unavailable in the United States, PepsiCo's home market, until 2006, as one of its principal ingredients, acesulfame potassium, had not been approved by the Food and Drug Administration. This ingredient is combined with aspartame to provide the beverage's sweetness, while other diet colas are sweetened by aspartame alone.
Pepsi's marketing campaigns have often been controversial. In 1992, the "Pepsi Number Fever" campaign in the Philippines accidentally distributed 800,000 winning bottle caps for a 1 million peso grand prize, leading to riots and the deaths of five people.
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Pepsi Zero Sugar and Pepsi Max both offer healthy alternatives to traditional sugar
Pepsi Zero Sugar and Pepsi Max are healthier alternatives to regular Pepsi, as they offer the same great taste without the sugar. Both drinks are sugar-free and calorie-free, making them ideal for people looking to cut down on sugar or manage their weight.
Pepsi Zero Sugar, also known as Diet Pepsi Max or simply Pepsi Max in some regions, was introduced in 2007 as a zero-calorie, sugar-free cola. It contains a blend of two artificial sweeteners, acesulfame potassium (Ace-K) and aspartame, which give it a rich and intense flavour. It also has higher caffeine content than regular Pepsi, providing an energy boost for consumers.
Pepsi Max, on the other hand, is the international version of the drink, which retained its name outside of North America. It offers a bolder, closer-to-original Pepsi taste and is marketed towards those who crave the full-bodied flavour of regular soda without the sugar.
Both drinks have their unique characteristics, but they share the common benefit of being healthier alternatives to traditional sugar-laden sodas. They cater to different taste preferences while providing a guilt-free cola experience.
While artificial sweeteners in diet drinks have faced scrutiny over potential health risks, the World Health Organization's statement regarding the possible carcinogenic effects of aspartame is not conclusive. As of 2024, the FDA still considers aspartame and Ace-K safe for consumption within specified daily limits. Therefore, consumers can enjoy Pepsi Zero Sugar and Pepsi Max as healthier options without sacrificing the familiar cola taste they love.
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Frequently asked questions
Pepsi Zero Sugar is a zero-calorie, sugar-free, formerly ginseng-infused cola sweetened with aspartame and acesulfame K. It was introduced in North America as a rebrand of Pepsi Max.
Diet Pepsi is a sugar-free and low-calorie drink. It is sweetened with aspartame.
No, they are not the same. While both drinks are sugar-free and low-calorie, they have different ingredient compositions and nutritional information.
Pepsi Zero Sugar's ingredients include carbonated water, caramel color, phosphoric acid, aspartame, caffeine, natural flavors, acesulfame potassium, and citric acid.
One of the main differences is in their caffeine content. Before a recipe change in 2022, Pepsi Zero Sugar contained 69 milligrams of caffeine per 355 ml, while Diet Pepsi contained 36 milligrams. Additionally, there may be slight variations in the amount or source of ingredients, resulting in subtle differences in taste.











































