Quick answer
Celsius (Level 3) is less processed than Red Bull (Level 4). Red Bull contains artificial colors, synthetic caffeine, and sucrose/glucose syrup. Celsius uses plant-derived caffeine and no artificial colors, though it does use sucralose as a sweetener.
Processing levels can vary significantly between brands and specific products within each category. Always check the ingredient list of the specific product you are considering. Use our product search to look up exact processing scores. These comparisons evaluate processing level and ingredient composition only. They do not account for taste, price, convenience, cultural significance, or individual dietary needs.
How do they compare by the numbers?
Sample products from each
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Frequently asked questions
Does Red Bull have artificial colors?
Yes. Red Bull contains artificial colors to achieve its amber hue, along with synthetic caffeine, taurine, and B-vitamins. Celsius avoids artificial colors entirely, using natural flavors and plant-based caffeine sources.