
Carbonated soft drinks are well-known for containing caffeine, a stimulant that provides various physiological effects. Kroger's Big K products, including Dr. K, are no exception. While the exact amount of caffeine in Dr. K is not publicly available, it is known to contain carbonated water, caramel color, phosphoric acid, aspartame, sodium benzoate, natural and artificial flavors, and caffeine. Interestingly, the caffeine content in Kroger's Big K products, such as Dr. K, has been found to be higher than what was analyzed and reported by Grand and Bell in 1997. This indicates that the caffeine content in these drinks may vary or have changed over time.
| Characteristics | Values |
|---|---|
| Calories | 0 |
| Carbohydrates | 0 |
| Sugar | 0 |
| Fat | 0 |
| Sodium | 40 mg |
| Caffeine | Contains caffeine |
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What You'll Learn

Kroger's Dr K contains caffeine
Kroger's Big K Diet Dr K Soda contains carbonated water, caramel colour, phosphoric acid, aspartame, sodium benzoate (preservative), natural and artificial flavour, and caffeine. The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
The caffeine content of prepackaged national-brand and private-label carbonated beverages can vary widely. A 2007 study by Chou and Bell found that the caffeine content of 56 national-brand and 75 private-label store-brand carbonated beverages ranged from 4.9 mg/12 oz to 74 mg/12 oz. The study also found that the caffeine content of 18 private-label store-brand pepper-type beverages ranged from 18.2 to 59.8 mg/12 oz.
It is important to note that caffeine is a well-known stimulant that is added as an ingredient to various carbonated soft drinks. Due to its stimulatory and other physiological effects, individuals may desire to know the exact amount of caffeine consumed from these beverages.
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Dr K has 0 calories, carbs, sugar, and fat
Dr K has 0 calories, 0 carbs, 0 sugar, and 0 fat. This means that it is a good option for people who are looking for a drink that is low in calories and sugar. The drink is also gluten-free and contains no fat, which may be appealing to those with dietary restrictions or preferences.
The ingredients in Dr K include carbonated water, caramel color, phosphoric acid, aspartame, sodium benzoate (a preservative), and natural and artificial flavors. The combination of these ingredients gives Dr K its unique taste and carbonated texture.
While Dr K contains no sugar, it does contain aspartame, which is an artificial sweetener. Aspartame is a common ingredient in many diet or sugar-free foods and beverages and is known for its intense sweetness. It is much sweeter than regular sugar, so only a small amount is needed to sweeten products like Dr K.
Phosphoric acid is another important ingredient in Dr K, as it is what gives the drink its carbonation. Carbonated water is also listed as an ingredient, but the addition of phosphoric acid enhances the carbonation and creates a more pronounced fizziness.
Finally, the natural and artificial flavors in Dr K contribute to its unique taste. The specific flavors used are not disclosed, but they work in combination with the other ingredients to create a refreshing and satisfying drink.
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Dr K is not gluten-free
The absence of gluten-containing ingredients in a product does not necessarily indicate that it is gluten-free. Gluten can be present in products due to cross-contamination during manufacturing or processing. Even if an ingredient list does not include wheat or other gluten-containing grains, there is still a possibility of gluten contamination. This is particularly relevant for individuals with coeliac disease or gluten sensitivity, who need to be cautious about the presence of gluten in their food and drinks.
The gluten-free status of a product is often determined by testing for gluten proteins. These tests can detect gluten at very low levels, ensuring the safety of gluten-free products. However, it is important to note that the absence of a gluten-free label on a product does not necessarily indicate that it contains gluten. Some manufacturers may choose not to label their products as gluten-free even if they meet the requirements.
Additionally, the regulations and thresholds for gluten-free labelling vary across different countries and regions. For example, in the United States, the Food and Drug Administration (FDA) has established a limit of less than 20 parts per million (ppm) of gluten for a product to be considered gluten-free. This regulation provides a safety net for consumers who need to avoid gluten for medical reasons. However, in other parts of the world, the standards and thresholds may differ, impacting the availability and labelling of gluten-free products.
It is important for consumers who require a gluten-free diet to be vigilant and informed about the products they consume. While Dr K is not gluten-free, there are alternative beverage options available that cater to gluten-free diets. These alternatives may include naturally gluten-free beverages, such as water, tea, coffee, and fruit juices, as well as certified gluten-free carbonated drinks. Consumers can also explore other gluten-free products by checking ingredient lists and looking for gluten-free labels.
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Dr K's caffeine content is higher than USDA database values
Kroger's regular and diet Dr K contain significantly more caffeine than the values listed in the USDA database. The USDA database is impractical to use due to the wide range of caffeine values in private-label store-brand colas (4.9 to 61.9 mg/12 oz). The caffeine content of Kroger's regular and diet Dr K was much higher (>150%) than those analysed by Grand and Bell (1997).
The caffeine content of Dr K is not explicitly stated, but it is higher than the values analysed by Grand and Bell (1997), which were 33.9 mg/12 oz for Coca-Cola, 46.3 mg/12 oz for Diet Coke, 38.9 mg/12 oz for Pepsi, 36.7 mg/12 oz for Diet Pepsi, 42.6 mg/12 oz for Dr Pepper, 44.1 mg/12 oz for Diet Dr Pepper, 54.8 mg/12 oz for Mountain Dew, and 55.2 mg/12 oz for Diet Mountain Dew.
The exact amount of caffeine in Dr K can be determined through laboratory analysis. Chou and Bell (2007) analysed the caffeine content of 56 national-brand and 75 private-label store-brand carbonated beverages using high-performance liquid chromatography. This method involves spiking caffeine-free beverages with known amounts of caffeine and measuring the percentage recovery.
It is important for individuals to know the exact amount of caffeine they are consuming, especially since caffeine is a well-known stimulant with various physiological effects. The high caffeine content in Dr K may be a concern for those who are sensitive to caffeine or have medical conditions affected by caffeine intake. Therefore, consumers should be aware of the caffeine content in the products they are consuming and make informed choices based on their individual needs and preferences.
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Dr K's caffeine content is similar to Grand and Bell (1997) findings
The caffeine content of Dr K is similar to the findings of Grand and Bell (1997). Dr K is a caffeinated beverage, and its caffeine content is listed among other carbonated drinks in a study by Chou (2007). The study analysed the caffeine content of 56 national-brand and 75 private-label store-brand carbonated drinks, including Dr K.
The exact amount of caffeine in Dr K is not explicitly stated in the study. However, it is mentioned that the caffeine content of Kroger's regular and diet Dr K was higher than those analysed by Grand and Bell (1997). This indicates that the caffeine content of Dr K is at least comparable to, if not higher than, the values reported by Grand and Bell.
The study also found that the caffeine contents of Chek Kountry Mist, Sam's Mountain Lightning, Big K Citrus Drop, and Big K Diet Citrus Drop were similar to the values reported by Grand and Bell (1997). These drinks are all carbonated beverages, similar to Dr K, and their caffeine contents are in the same range.
While the exact caffeine content of Dr K is not disclosed, it can be inferred that it is relatively high compared to some other drinks on the market. For example, the caffeine content of Dr K is higher than that of IGA Cola, which contains 4.9 mg/12 oz of caffeine, and is also higher than the lowest-recorded caffeine concentration, found in Ingle's Diet Dr Lynn.
In conclusion, the caffeine content of Dr K is similar to, or higher than, the values reported by Grand and Bell (1997). This indicates that Dr K is a caffeinated beverage with a relatively high caffeine content compared to some other drinks on the market.
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Frequently asked questions
Yes, Dr Pepper contains caffeine. However, its caffeine content is lower than most other caffeinated beverages.
Yes, Diet Dr Pepper contains caffeine. The caffeine content is the same as that of regular Dr Pepper.
Yes, Dr Pepper Zero contains caffeine. However, there is a caffeine-free variant of Dr Pepper available.
No, Dr Pepper is not a cola. It is a "pepper soda" and has been categorized as a drink in a category of its own.










































