Diet Tonic Water product image with 60/100 Zerotox safety score

Is Diet Tonic Water Safe? Ingredient Analysis

President's Choice

President's Choice's Diet Tonic Water is reviewed here as a soft drink. Zerotox gives it 60/100 based on the current ingredient profile, so it looks generally acceptable but still includes some ingredients worth reviewing.

The ingredient review below focuses especially on Potassium Benzoate, Aspartame, Acesulfame Potassium.

60 / 100

Moderate quality

Why score is 60

The composition includes potassium benzoate as a synthetic preservative and artificial sweeteners like aspartame and acesulfame-potassium, raising quality concerns. Natural flavor is present but lacks transparency.

Main concern

Potassium benzoate is a synthetic preservative that raises concerns about long-term consumption.

Why it matters: This ingredient is flagged in our analysis based on regulatory and scientific sources. Check the Ingredients section for details and see Data sources for methodology.

Regulation status: Ingredient safety is assessed from EU/EPA/CIR and similar databases; formulations may vary. Always read the product label.

Pros

  • Carbonated water provides a refreshing base without calories.
  • Citric acid acts as a flavor enhancer, contributing to the drink's tartness.
  • Potassium citrate can help balance acidity, improving taste.
  • Quinine hydrochloride adds a distinct bitter flavor characteristic of tonic water.

Concerns

  • Potassium benzoate is a synthetic preservative that raises concerns about long-term consumption.
  • Aspartame and acesulfame-potassium are artificial sweeteners linked to health debates.
  • Natural flavor lacks specific disclosure, making it difficult to assess quality.
  • The presence of multiple artificial ingredients indicates a highly processed product.

Ingredients breakdown

Below, each ingredient is described in the context of this soft drink, not just listed as a raw label.

How we score

Our safety scores and ingredient breakdowns are based on regulatory and scientific sources. See Data sources & methodology and How Zerotox works for full details.

Product info

Product ID: 3244659

More from this brand: President's Choice products in Zerotox

Similar products: soft_drink in Zerotox database

Report / complain: You may report errors or complain about this product or its formulation to hello [at] zeroto.app . Published for transparency.

Frequently asked questions

President's Choice — Diet Tonic Water has a Zerotox score of 60 / 100 among soft drink products. See the full breakdown above.
Based on our data we do not detect fragrance in this product's listed ingredients. Formulations can change; check the label.
President's Choice — Diet Tonic Water has a Zerotox safety score of 60 / 100. Check the ingredient breakdown above. More President's Choice products. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
We do not detect parabens in this product's listed ingredients. Always check the label as formulations change.
This product is flagged for: Potassium benzoate is a synthetic preservative that raises concerns about long-term consumption.; Aspartame and acesulfame-potassium are artificial sweeteners linked to health debates.; Natural flavor lacks specific disclosure, making it difficult to assess quality.. See the Concerns and Ingredients sections above.
Browse soft drink products on Zerotox with ingredient analysis.
President's Choice — Diet Tonic Water has a Zerotox safety score of 60 / 100. Higher scores mean fewer concerning ingredients. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
This depends on the ingredient profile. People with sensitive skin or scalp, users avoiding fragrance, sulfates or animal-derived ingredients, and cautious shoppers should review the breakdown above before buying. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
The composition includes potassium benzoate as a synthetic preservative and artificial sweeteners like aspartame and acesulfame-potassium, raising quality concerns. Natural flavor is present but lacks transparency. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
Browse President's Choice products on Zerotox with ingredient analysis and safety scores.
Zerotox scores are based on ingredients. See the full breakdown above. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
This product includes positive or neutral ingredients such as: carbonated water, citric acid. See the Ingredients section above.

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