General ingredients that are used to produce carbonated non-alcoholic beverages^1,2,3 consist of:

• Water
• Sweeteners (Natural/Artificial sweetener can be incorporated for low-calorie carbonated drink formulation)
• Flavourings (Natural/ Nature-identical/ Artificial)
• Acids (For example: Citric Acid)
• Colouring (Natural/ Nature-identical/ Artificial)
• Carbon dioxide
• Preservatives (For example: Sodium Benzoate/ Benzoic Acid)

References

¹Monika, K. T. (2014). Soft Drinks – Preparation Defects and Remedies.

²Shoaib, A. S. (2014). Processing and Preservation of Beverages.

³Varuzhan, A., Avetik, M., Lidia, A. (2013). High-purity Rebaudioside D and low-calorie carbonated drink containing the same. U.S. Patent No. 8568818 B2.