
Dr Pepper has long been rumoured to contain prune juice, with the belief persisting since the 1930s. However, the manufacturer has consistently denied this claim, stating that their product is a unique blend of natural and artificial flavours, and does not contain prune juice. This rumour may have been spread by a competitor's deliveryman to discourage people from buying the product. Additionally, the dark colour of Dr Pepper and its unclassifiable flavour may have contributed to the persistence of this rumour. The company maintains that their formula is a closely guarded secret, divided into two parts and stored in separate bank vaults.
| Characteristics | Values |
|---|---|
| Does Diet Dr Pepper contain prune juice? | No |
| Reason for the belief | The drink's dark colour and unclassifiable flavour |
| Manufacturer's response | "Dr Pepper is a unique blend of natural and artificial flavours; it does not contain prune juice." |
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What You'll Learn
- Dr Pepper's formula is a closely guarded secret
- The drink's unique flavour is a blend of natural and artificial ingredients
- The rumour of prune juice being an ingredient has persisted since the 1930s
- The dark colour of the drink may have fuelled the rumour
- The manufacturer has always denied the presence of prune juice

Dr Pepper's formula is a closely guarded secret
Dr Pepper is a soft drink with a unique flavour that has been described as "not a cola, not a root beer, not a fruit flavour". Its formula is a closely guarded secret, with the company only confirming that prune juice is not one of the ingredients. The drink was created by pharmacist Charles Alderton in 1885 at Morrison's Old Corner Drug Store in Waco, Texas. Alderton aimed to create a soda syrup that tasted like the store smelled, and he kept notes on his experiments in a journal.
The formula for Dr Pepper is so secretive that, allegedly, only three people know the information at any given time. The recipe is said to be split in half and stored in safe deposit boxes at two different banks, ensuring that no single person possesses the entire formula. This level of secrecy has fuelled speculation about the ingredients in Dr Pepper, with one persistent rumour being that prune juice is used in the drink. However, this has been debunked by the company, which states that Dr Pepper is a blend of natural and artificial flavours, none of which are prunes.
The origin of the prune juice rumour is unclear, but it is believed to have started around 1930. One theory suggests that a competitor's deliveryman spread this claim to discourage store owners from stocking Dr Pepper. The dark colour of the drink and its unclassifiable flavour may have made the rumour more plausible. Additionally, the association of prunes with bowel movements could have contributed to the persistence of the rumour.
Despite the secrecy surrounding the formula, there have been some clues and alleged discoveries related to the ingredients. In 2009, a ledger from Morrison's Old Corner Drug was found in a Texas antique store, containing a formula for "D. Peppers Pepsin Bitters". The formula included ingredients such as wahoo bark, bitter orange peel, mandrake root, sweet flag root, syrup, and glycerin. However, the Dr Pepper Snapple Group stated that this recipe bore no resemblance to the Dr Pepper formula.
Another interesting fact about Dr Pepper's history involves the period after the "Dr" in the name. In 1950, when the company changed the font, the lowercase "r" with a period after it looked like a "colon" and altered the "r" into an "i". To resolve this, the company simply dropped the period, resulting in the name "Dr Pepper" that we know today.
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The drink's unique flavour is a blend of natural and artificial ingredients
The unique flavour of Dr Pepper is a blend of natural and artificial ingredients. The exact formula is a closely guarded secret, with the manufacturer only confirming that it is a mix of 23 different flavours. The recipe is so secretive that it is allegedly divided into two parts, each locked up in a separate Dallas bank vault, ensuring that no single person can ever access the full formula.
The drink's flavour is hard to pin down, and over the years, there has been much speculation about its ingredients. One of the most enduring rumours is that Dr Pepper contains prune juice. This idea has been around since the 1930s, and while the manufacturer has always denied it, they have also fuelled intrigue by keeping the formula secret. The dark colour of the drink and its unclassifiable flavour may have contributed to the spread of this rumour.
The company has explicitly stated that Dr Pepper does not contain prune juice, addressing the rumour in a brochure: "There are 23 flavours and other ingredients (none of which are prunes) that produce the inimitable taste of Dr Pepper." The FAQ section of the Dr Pepper website also confirms that the drink is "a unique blend of natural and artificial flavours; it does not contain prune juice."
While the exact ingredients remain a mystery, some commonly mentioned suspects include citrus, cinnamon, vanilla, and denatured rum. The ability to create similar-tasting knock-off brands also suggests that replicating the flavour is not overly complex.
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The rumour of prune juice being an ingredient has persisted since the 1930s
The rumour that Dr Pepper contains prune juice has been around since the 1930s. While the company has always denied this, it has never revealed its full formula, which is said to be divided into two parts, locked away separately in two Dallas banks. This secrecy may have fuelled the long-lived rumour.
The origin of the belief is unknown, but speculation includes a story about a competitor's delivery man trying to dissuade stores from stocking the drink by spreading the claim. The dark colour of Dr Pepper and its unclassifiable flavour may have made the claim seem plausible. Prunes' association with bowel movements also adds an "eww factor" that could have kept the rumour going.
The manufacturer has attempted to distance the drink from prunes and their connotations of old age, unhip eating habits, and pooping. In a brochure, the company stated that Dr Pepper contains "23 flavours and other ingredients (none of which are prunes) that produce the inimitable taste of Dr Pepper." The website FAQ also notes that "Dr Pepper is a unique blend of natural and artificial flavours; it does not contain prune juice."
The rumour is not the only bit of lore attached to this popular drink, which debuted in 1885 and is the oldest soft drink still found on supermarket shelves. There are also stories about the origin of its name, which is said to be a combination of the then-common habit of preceding product names with "Dr." to make them sound more healthful, and the name of a physician that one of its creators, Morrison, had once worked for.
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The dark colour of the drink may have fuelled the rumour
The origins of the belief that Dr Pepper contains prune juice are unclear, but it is speculated that the drink's dark colour may have fuelled the rumour. Dr Pepper is a dark-coloured liquid, and it may have been suggested that another dark liquid, such as prune juice, could have been added to the drink's concoction. This idea may have been further supported by the drink's unique and unclassifiable flavour, which could have been attributed to the presence of prune juice.
Prunes are known for their association with digestive health and regular bowel movements, which may have contributed to the persistence of the rumour. The belief that Dr Pepper contains prune juice has been around since the 1930s, and the manufacturer has consistently denied it. In their FAQ section, the company states that Dr Pepper is a unique blend of natural and artificial flavours and does not contain prune juice. The formula for Dr Pepper is kept confidential, and it is said to be divided into two parts, each locked up in a different bank so that no one person knows the entire formula.
The dark colour of Dr Pepper may have been a factor in the spread of the rumour, as it visually suggested the presence of a dark-coloured ingredient like prune juice. However, it is important to note that the rumour may also have been spread due to the unique flavour of the drink, which people struggled to identify. Prune juice is often associated with negative connotations, such as old age and unhip eating habits, which may have contributed to the manufacturer's efforts to distance the drink from prunes.
The belief that Dr Pepper contains prune juice is not limited to the regular version but has also been speculated about the diet version of the drink. However, people with plum allergies have reported consuming Diet Dr Pepper without adverse reactions, suggesting that the drink does not contain prune juice, as plums and prunes are related. The dark colour of the drink may have been a factor in the persistence of the rumour, even in the case of the diet version, where the absence of sugar or calories could have further fuelled speculation about the presence of alternative ingredients.
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The manufacturer has always denied the presence of prune juice
The manufacturer of Dr Pepper has always denied the presence of prune juice in its drinks. The belief that the soft drink contains prune juice is remarkably long-lived, having been around since about the 1930s. The rumour about prune juice being part of the beverage's formula is addressed in a brochure put out by the company. It states:
> "There are 23 flavours and other ingredients (none of which are prunes) that produce the inimitable taste of Dr Pepper."
The Dr Pepper website FAQ also notes that "Dr Pepper is a unique blend of natural and artificial flavours; it does not contain prune juice." The company may have inadvertently fuelled the spread of the rumour by keeping its product's formula a closely guarded secret. The Dr Pepper recipe is allegedly divided into two parts, each locked up in a different bank so that no single person can ever be in possession of the whole formula.
The origin of the belief that Dr Pepper contains prune juice is unclear. However, speculation suggests that a competitor's delivery man may have started the rumour to discourage people from buying the product. The dark colour of Dr Pepper and its unclassifiable flavour may have made the rumour seem plausible.
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Frequently asked questions
No, Diet Dr Pepper does not contain prune juice. The belief that it does is long-lived, but the manufacturer has always denied this claim.
The origin of this belief is unknown, but speculation points to a competitor's delivery man trying to discourage people from buying the product by spreading this claim. The dark colour of Dr Pepper and its unclassifiable flavour also make the notion somewhat plausible.
Diet Dr Pepper is a blend of natural and artificial flavours. The exact formula is a closely guarded secret, but it is known to be made up of 23 different flavours.
No, Dr Pepper does not contain any juice. It is a carbonated soft drink made from a combination of natural and artificial ingredients.











































