Ingredient

Boiling Water

Source
Not animal-derived
Allergen
No
Role in food
Boiling water is primarily used to rehydrate dried foods, such as instant noodles, dried …

What is Boiling Water?

Boiling water is water heated to its boiling point, 100°C (212°F) at standard atmospheric pressure. It is a fundamental substance essential for life, commonly obtained from municipal water supplies or purified sources. In food preparation, it is typically heated on a stovetop or using an electric kettle.

Is Boiling Water vegan?

Boiling Water is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Boiling Water gluten-free?

Gluten is not present in boiling water.

Is Boiling Water a major allergen?

Boiling water is not one of the 14 major allergens that UK law requires to be emphasised on food labels.

What is Boiling Water used for?

Boiling water is primarily used to rehydrate dried foods, such as instant noodles, dried soups, and some grains like rice.

Is Boiling Water safe?

Boiling water is not a food additive and does not have an E-number.

Why it's used

Boiling water is primarily used to rehydrate dried foods, such as instant noodles, dried soups, and some grains like rice. Its high temperature also aids in dissolving ingredients, such as sugar for jelly desserts, and is crucial for processes like blanching or sterilising.

Health notes

Boiling water is not a food additive and does not have an E-number. Its primary role in food is as a medium for cooking and rehydration. The UK regulatory bodies do not set specific limits for its consumption as it is a fundamental component of a healthy diet. There are no known health concerns associated with consuming food prepared with boiling water when consumed at safe temperatures.

Allergen info

Boiling water is not one of the 14 major allergens that UK law requires to be emphasised on food labels. Gluten is not present in boiling water.

Foods that contain Boiling Water

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.