What is the difference between Coke Zero vs Diet Coke? There isn’t much difference between the two. They both contain a lot of artificial ingredients. Here are the nutrition facts to Coke Zero which is:

“The main difference between diet coke and coke zero is the sweetening agents. Diet coke uses aspartame as its sweetener and Coke Zero uses both aspartame and acesulfame potassium.” Celebrity Fitness & Nutrition Expert Obi Obadike
- Carbonated water
- Caramel color
- Phosphoric acid
- Aspartame
- Caffeine
- Potassium citrate
- Acesulfame potassium
- Potassium benzoate
A 12 ounce of Coke Zero contains:
- Calories- 0
- Total Fat- 0 grams
- Sodium- 40 mg
- Total Carbohydrates- 0 grams
- Total Sugars- 0 grams
- Protein- 0 grams
- Potassium- 60 mg
- Caffeine-34 mg
Coke Zero contains artificial sweeteners but no added sugars.
Here are the Diet Coke ingredients:
- Carbonated water
- Caramel color
- Aspartame
- Phosphoric acid
- Potassium benzoate
- Natural flavors
- Citric acid
- Caffeine
A 12 ounce serving of Diet Coke contains:
- Calories- 0
- Total Fat- 0 grams
- Sodium- 40 grams
- Total Carbohydrates- 0 grams
- Total Sugar- 0 grams
- Protein- 0 grams
- Caffeine- 46 grams
The main difference between diet coke and coke zero is the sweetening agents. Diet coke uses aspartame as its sweetener and Coke Zero uses both aspartame and acesulfame potassium. Another difference between Diet coke and Coke Zero is caffeine. Coke Zero has less caffeine than Diet Coke and both of these beverages are well under the recommended daily limit for adults of 400 mg of caffeine.
The nutritional profiles and ingredients of Diet Coke and Coke Zero are almost identical. One of the health concerns with artificial sweeteners is if you consume too much of this it can increase the risk of many different types of chronic diseases.
According to the American Migraine Foundation aspartame may cause headaches for some people so you have to be mindful of that. One of the most important things for people to understand is that Diet Coke is not a healthy drink despite how it is marketed to the consumer.
If your goal is to cut back on added sugars, then going from Coke to Diet Coke is a start but it is still unhealthy. But if you consume diet coke within moderation it shouldn’t affect your health negatively.
If you want to avoid diet soda entirely here are some good alternative beverage options:
- Sparkling water- This has carbonation without added sugars or artificial sweeteners.
- Flavored waters- This is calorie free flavored water.
- Kombucha- This is a probiotic beverage that promotes healthy gut bacteria. This has less sugar than regular soda.
The Bottom Line is Diet coke and Coke Zero is about the same nutritionally. One of the main differences is the type of sweeteners that is used for each of them. Diet coke uses aspartame as its sweetener but Diet coke and Coke Zero uses aspartame and acesulfame potassium.
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References
- Coke Cola- https://us.coca-cola.com/products/coca-cola-zero-sugar/coca-cola-zero-sugar
- Diet Coke- https://www.dietcoke.com/products/diet-coke
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