How does drinking Castello Natural Carbonated Mineral Water affect a diabetic or hypertensive diet?

The water contains no sugars and only trace amounts of salt, so it does not raise blood glucose levels or contribute appreciably to sodium intake, making it safe for both diabetic and hypertensive individuals when consumed in normal amounts.

Is Castello Natural Carbonated Mineral Water suitable for vegan, keto or gluten‑free diets?

Yes, the product is 100% water with no animal‑derived ingredients, carbohydrates, or gluten, so it fits seamlessly into vegan, ketogenic, gluten‑free and most other dietary regimes.

Why does this product receive a Nutri‑Score of A and a NOVA rating of 1?

The Nutri‑Score is based on the absence of energy, sugars, saturated fat, sodium and other negative nutrients, while the NOVA rating reflects that the water is a natural, unprocessed product with no added ingredients, both of which merit the highest grades.

Castello • 6 x 25 cl

Água Mineral Natural Gaseificada Original

Beverages

Product Insights

Castello Natural Carbonated Mineral Water Original is a sparkling natural mineral water marketed in Portugal. It belongs to the Beverages > Waters and flavored waters group, carries a Nutri‑Score of A and a NOVA rating of 1, indicating an unprocessed product with essentially no calories, sugars, fat or salt. The only downside is the lack of detailed packaging and environmental data, but the water itself remains a simple, low‑impact beverage choice.

Nutritional Values

Values per 100 ml

Energy0 kJ

Saturated Fat0 g

Sugars0 g

Fiber0 g

Proteins0 g

Comparative Analysis

Its sugar, fat and salt contents are effectively zero, far below the average levels found in most beverages, making it an exceptionally lean option.

84%

35%

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Frequently Asked Questions

Everything you need to know about Água Mineral Natural Gaseificada Original.

Naturis

50 cl