Diet Coke receives a Poor FoodScore of 40/100 primarily because it is an ultra-processed beverage that offers no beneficial nutrients.
Nutrition data (per 100 g)
Source: USDA FoodData Central.
Diet Coke contains 0 kcal per 100 g.
Diet Coke contains 0 g of added sugar per 100 g.
Diet Coke provides 9 mg of sodium per 100 g.
Diet Coke scores 40/100 on FoodScore (poor).
Diet Coke is classified as NOVA 4 (ultra-processed food).
Diet Coke contains 0 calories, 0g of protein, and 0g of fiber per 100g.
It is classified as NOVA class 4, indicating it is an ultra-processed food.
This beverage provides no essential vitamins or minerals, with 0% DV for all micronutrients listed.
With 9mg of sodium per 100g, it contributes minimally to daily sodium intake.
Scores +8 points above the beverage category average (32/100 across 3796 foods).
Fiber
0g
0% of Daily Value
Protein
0g
0% of Daily Value
Added sugar
0g
0% of Daily Value
Sodium
9mg
0% of Daily Value
+
What it brings to the table
Nothing notable — but nothing harmful either.
−
What holds it back
Ultra-processed (NOVA 4)-10
Why it scores 40
Diet Coke earns a FoodScore of 40 out of 100, placing it in the 'Poor' category. This score is largely driven by its classification as an ultra-processed food (NOVA class 4), which incurs a significant penalty of -10 points. A major factor contributing to its low score is the complete absence of beneficial macronutrients and micronutrients. Per 100g, Diet Coke provides 0g of protein, 0g of fiber, and 0g of total fat, meaning it offers no nutritional bonuses from these components. Similarly, it contains 0mg of potassium, calcium, iron, magnesium, and zinc, and 0% of the Daily Value for vitamins D, B12, folate, C, and A. While it contains 0g of added sugar and 0 calories, which avoids penalties associated with these factors, the lack of any positive nutritional contributions prevents it from achieving a higher score. To improve its score, Diet Coke would need to incorporate some form of beneficial nutrients or be less processed, neither of which is feasible for this product.
Health benefits
What the nutrients in diet coke actually do for you, grounded in established dietary science.
Zero Calorie Option
Diet Coke is a zero-calorie beverage, meaning it contributes no energy to your daily intake. For individuals managing their weight or looking to reduce overall calorie consumption, choosing a zero-calorie drink like Diet Coke can be a strategy to avoid liquid calories. However, it's important to note that while it provides no calories, it also offers no nutritional value. The absence of calories makes it a neutral choice in terms of energy balance, but it does not actively support weight management through nutrient density or satiety.
No Added Sugar
One notable characteristic of Diet Coke is its absence of added sugar. This aligns with dietary guidelines that recommend limiting intake of added sugars to reduce the risk of chronic diseases such as type 2 diabetes and cardiovascular disease. By opting for a sugar-free beverage, individuals can avoid the empty calories and potential negative health impacts associated with sugary drinks. However, it's crucial to remember that artificial sweeteners are used, and their long-term health effects are an ongoing area of research.
Minimal Sodium Content
Diet Coke contains a minimal amount of sodium, with only 9mg per 100g. This is a very small contribution to the daily recommended sodium limit, which is typically around 2,300mg for most adults. For individuals monitoring their sodium intake for blood pressure management or other health reasons, a beverage with low sodium content can be a suitable choice. However, the overall nutritional profile of Diet Coke means that this low sodium content is not paired with other beneficial nutrients.
No Fat or Cholesterol
Diet Coke is completely free of fat and cholesterol, which can be a consideration for those aiming to reduce their intake of these dietary components. While dietary fat is essential, excessive intake of certain types, particularly saturated and trans fats, can impact heart health. The absence of fat and cholesterol in Diet Coke means it does not contribute to these dietary concerns. However, this also means it lacks any beneficial fats, such as omega-3s, which are important for overall health.
Diet Coke receives a Poor FoodScore of 40/100 primarily because it is an ultra-processed beverage that offers no beneficial nutrients.
How to eat it
Diet Coke is typically consumed as a refreshing beverage on its own, often as an alternative to sugary sodas. It serves as a common drink choice in social settings, with meals, or as a pick-me-up throughout the day. Given its lack of nutritional content, it's best viewed as an occasional indulgence rather than a staple for hydration or nutrient intake.
Consider Diet Coke as an occasional treat rather than a primary source of hydration; water remains the best choice for daily fluid needs.
Pairing Diet Coke with a nutritionally balanced meal can help mitigate its lack of beneficial nutrients, ensuring you still get essential vitamins and minerals.
If you're trying to reduce your intake of diet sodas, gradually substitute with sparkling water flavored with fruit slices.
Things to keep in mind
While Diet Coke is generally recognized as safe for consumption in moderation, some individuals may experience digestive discomfort due to artificial sweeteners like aspartame. Concerns have also been raised regarding the potential long-term effects of artificial sweeteners on gut microbiome health and metabolic processes, though research is ongoing and not conclusive. Individuals with phenylketonuria (PKU) must avoid aspartame, as it contains phenylalanine. For the general population, there are no widely documented severe cautions for Diet Coke at normal serving sizes.
Diet Coke is not considered healthy in a nutritional sense. It receives a 'Poor' FoodScore of 40/100 because it is an ultra-processed beverage (NOVA class 4) and provides no essential vitamins, minerals, protein, or fiber. While it is calorie-free and sugar-free, it offers no positive nutritional contributions to your diet.
Is Diet Coke good for weight loss?
Diet Coke is a zero-calorie beverage, which means it does not directly contribute to calorie intake. For individuals looking to reduce overall calorie consumption, choosing Diet Coke instead of sugary sodas can help. However, it does not actively promote weight loss through satiety or nutrient density, and some research suggests artificial sweeteners may influence appetite.
Is Diet Coke ultra-processed?
Yes, Diet Coke is classified as an ultra-processed food (NOVA class 4). This classification indicates it is made from industrial ingredients and contains additives, which is a significant factor in its low FoodScore. Ultra-processed foods are generally associated with lower nutritional quality.
What are the main ingredients in Diet Coke?
The main ingredients in Diet Coke typically include carbonated water, caramel color, aspartame, phosphoric acid, natural flavors, sodium benzoate (to protect taste), and caffeine. It is the combination of these industrial ingredients that classifies it as ultra-processed.
What are some healthier alternatives to Diet Coke?
Healthier alternatives to Diet Coke include plain water, sparkling water with a squeeze of lemon or lime, unsweetened tea, or coffee. These options provide hydration without artificial sweeteners or the ultra-processed nature of diet sodas, and some, like tea or coffee, offer beneficial compounds.
Does Diet Coke contain caffeine?
Yes, Diet Coke contains caffeine. While the exact amount can vary slightly, it typically provides a moderate amount of caffeine per serving. For individuals sensitive to caffeine or monitoring their intake, it's important to be aware of the caffeine content in Diet Coke.
Is Diet Coke suitable for people with diabetes?
Because Diet Coke contains no added sugar and zero calories, it does not directly impact blood sugar levels. This makes it a common choice for individuals with diabetes who want to avoid sugary beverages. However, it's still an ultra-processed drink with no nutritional benefits, so moderation is advised.