Purified water

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Common questions

Is Purified water healthy?

Purified water scores 70/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This purified water product benefits from reverse osmosis, which effectively removes contaminants, ensuring a high level of purity.

How processed is Purified water?

Purified water is NOVA Group 1: Unprocessed or Minimally Processed Foods.

Which ingredients drive Purified water's score?

In Scout's ingredient-by-ingredient analysis, Reverse Osmosis Purified Water, Potassium Carbonate, Potassium Bicarbonate count in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Purified water

Raley's
70 Good

Analysis updated July 2026 · How Scout scores

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At a glance

Beneficial ingredients 3
Harmful ingredients 0
Category Bottled Water
Summary

This purified water product benefits from reverse osmosis, which effectively removes contaminants, ensuring a high level of purity. The addition of electrolytes like potassium carbonate, potassium bicarbonate, and magnesium sulfate enhances its mineral content, supporting hydration and muscle function. However, the use of purified water rather than a natural source like spring or aquifer water results in a slight deduction in score.

Key ingredients 4

Reverse Osmosis Purified Water
Very Good

Reverse osmosis purified water is considered very good due to its high level of purity and removal of contaminants. The reverse osmosis process effectively eliminates impurities, heavy metals, and other harmful substances, ensuring clean and safe drinking water. This method is widely recognized for producing water with minimal contaminants, making it a preferred choice for health-conscious consumers.

Benefits

Provides clean and safe hydration by removing impurities and contaminants.

Potassium Carbonate
Good

Potassium carbonate is a good ingredient as it acts as an electrolyte, helping to maintain fluid balance in the body. It is added to enhance the mineral content of the water, which can be beneficial for hydration and muscle function. The presence of potassium can support cardiovascular health and proper muscle function.

Risks

Excessive intake may lead to hyperkalemia, but this is unlikely in typical consumption levels.

Benefits

Supports hydration and muscle function by providing essential electrolytes.

See more about Potassium Carbonate →
Potassium Bicarbonate
Good

Potassium bicarbonate is considered good as it serves as an electrolyte and helps regulate acid-base balance in the body. It is used to enhance the mineral profile of the water, contributing to better hydration and electrolyte balance. This ingredient can aid in maintaining normal blood pressure and muscle function.

Risks

High doses could lead to gastrointestinal discomfort, but typical consumption levels are safe.

Benefits

Enhances hydration and supports cardiovascular health by providing potassium.

See more about Potassium Bicarbonate →
Magnesium Sulfate
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

Excessive intake may cause diarrhea, but this is rare at typical consumption levels.

Benefits

Supports muscle and nerve function and contributes to overall mineral balance.

See more about Magnesium Sulfate →

Processing

Group 1 · Minimally processed

Unprocessed or Minimally Processed Foods

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