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DDW Library

51 articles about deuterium, water and evidence

Accessible guides to core concepts, labels, measurement, and study interpretation—with no exaggerated therapeutic claims.

Explore below the entire library. Each article has its own title, description, canonical address and structured data for clearer indexing.

Illustrative image. What is deuterium-depleted water?

Start here

Basic guide about DDW

Initial explanation about deuterium-depleted water.

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Illustrative image. PPM, isotopes and a number that needs context

Basic concepts

PPM, isotopes and context

How we read the declared concentrations.

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Illustrative image. What does research say about deuterium-depleted water?

Evidence

What does research say about DDW?

A map of studies and their limitations.

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Illustrative image. Deuterium in natural water: where does the variation come from?

Context

Deuterium in natural water

Where do natural variations come from.

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Illustrative image. How to read a study about water and health

Critical thinking

How to read a study

Useful filters for health claims.

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Illustrative image. Safety, labels and informed decisions

Choices

Safety and labels

What to check before purchasing.

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Illustrative image. Sports and recovery: what data actually support

Sports

Sports and recovery

What data can and cannot say.

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Illustrative image. DDW and cancer: why caution is essential

Oncology

DDW and cancer

Why caution is essential.

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Illustrative image. Frequently asked questions about deuterium-depleted water

Questions

Frequently asked questions

Short answers with clear limits.

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Illustrative image. Heavy water versus DDW: differences explained

Basic concepts

Heavy water versus DDW

Differences that should not be confused.

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Illustrative image. Deuterium: what does "stable isotope" mean?

Water science

Deuterium and stable isotopes

A simple and correct explanation.

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Illustrative image. How is deuterium measured in water

Measurement

How deuterium is measured

PPM, analysis and traceability.

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Illustrative image. How is deuterium-depleted water produced?

Process

Production of DDW

What can and cannot be said by technology.

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Illustrative image. DDW Glossary: 12 terms to understand

Glossary

DDW Terms to Understand

A Vocabulary for Responsible Reading.

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Illustrative image. 7 myths about deuterium-depleted water

Myths

7 Myths about DDW

Check Promises Before Drawing Conclusions.

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Illustrative image. Label guide for deuterium-depleted water

Labeling

Labeling Guide

Technical Information You Need.

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Illustrative image. Questions to ask a DDW producer

Informed Consumption

Questions for the Producer

What Should Be Clear and Verifiable.

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Illustrative image. Hydration and DDW: what remains important

Hydration

Hydration and DDW

Principles That Remain Important.

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Illustrative image. Deuterium, diet and metabolism: how we read hypotheses

Context

Deuterium, Diet, and Metabolism

How We Read Research Hypotheses.

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Illustrative image. From laboratory to clinical study: DDW under the microscope

Evidence

DDW Under Clinical Scrutiny

From Laboratory to Study in Humans.

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Illustrative image. When does a hypothesis become a recommendation?

Method

From Hypothesis to Recommendation

Steps of a Responsible Conclusion.

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Illustrative image. Deuterium in the water cycle: a simple explanation

Nature

Deuterium in the water cycle: a simple explanation

Explanatory Guide from the DDW Library.

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Illustrative image. Isotopic variations of water from one season to another

Nature

Isotopic Variations from One Season to Another

Explanatory Guide from the DDW Library.

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Illustrative image. Altitude and water isotopes: what you need to know

Geography

Altitude and Water Isotopes

Explanatory Guide from the DDW Library.

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Illustrative image. Water source and isotopic composition

Context

Water source and isotopic composition

Explanatory Guide from the DDW Library.

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Illustrative image. PPM versus percentages: how to read concentrations

Measurement

PPM versus percentages: how to read concentrations

Explanatory Guide from the DDW Library.

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Illustrative image. How to compare two water analyses with deuterium

Measurement

How We Compare Two Water Analyses

Explanatory Guide from the DDW Library.

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Illustrative image. What does a batch mean for a DDW product

Traceability

What does a batch mean for a DDW product

Explanatory Guide from the DDW Library.

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Illustrative image. Water traceability: from source to label

Traceability

Water traceability: from source to label

Explanatory Guide from the DDW Library.

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Illustrative image. pH, minerals and deuterium: three different things

Composition

pH, minerals and deuterium: three different things

Explanatory Guide from the DDW Library.

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Illustrative image. Taste of water and isotopes: what influences perception

Experience

Taste of Water and Isotopes

Explanatory Guide from the DDW Library.

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Illustrative image. Bottled water and DDW: what to compare correctly

Informed Consumption

Bottled Water and DDW

Explanatory Guide from the DDW Library.

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Illustrative image. Packaging and storage of water: useful questions

Practical

Packaging and Storage of Water

Explanatory Guide from the DDW Library.

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Illustrative image. Useful questions for an isotopic analysis laboratory

Measurement

Questions for an Analysis Laboratory

Explanatory Guide from the DDW Library.

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Illustrative image. How to read a technical sheet for DDW

Transparency

How to read a technical sheet for DDW

Explanatory Guide from the DDW Library.

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Illustrative image. The analysis certificate explained in simple terms

Transparency

Explanation of the Analysis Certificate

Explanatory Guide from the DDW Library.

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Illustrative image. Standards, labels and verifiable formulations

Informed Consumption

Standards, labels and verifiable formulations

Explanatory Guide from the DDW Library.

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Illustrative image. Marketing and data: how we keep the difference

Critical thinking

Marketing and data: how we keep the difference

Explanatory Guide from the DDW Library.

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Illustrative image. Testimonials and evidence: why they are not the same thing

Critical thinking

Testimonials and Evidence

Explanatory Guide from the DDW Library.

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Illustrative image. Absolute words on labels: a quick filter

Language

Absolute Words on Labels

Explanatory Guide from the DDW Library.

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Illustrative image. How to compare two DDW products

Choices

How to compare two DDW products

Explanatory Guide from the DDW Library.

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Illustrative image. Observational study versus randomized: the essential difference

Evidence

Observational Study versus Randomized

Explanatory Guide from the DDW Library.

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Illustrative image. Conflicts of interest in studies about water

Evidence

Conflicts of Interest in Studies

Explanatory Guide from the DDW Library.

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Illustrative image. The magnitude of the effect: why "it worked" is not enough

Evidence

Magnitude of Effect

Explanatory Guide from the DDW Library.

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Illustrative image. Clinical results and markers: they are not the same thing

Evidence

Clinical Results and Markers

Explanatory Guide from the DDW Library.

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Illustrative image. Reproducing studies: why a result must be confirmed

Method

Replication of Studies

Explanatory Guide from the DDW Library.

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Illustrative image. How to assess safety in a water study

Safety

How is safety evaluated in a study

Explanatory Guide from the DDW Library.

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Illustrative image. Informed choices about DDW: a framework in 5 steps

Choices

Informed choices about DDW: 5 steps

Explanatory Guide from the DDW Library.

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Illustrative image. What to discuss with your doctor about DDW

Responsibility

What to discuss with your doctor about DDW

Explanatory Guide from the DDW Library.

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Illustrative image. Pregnancy and DDW: why caution is needed

Responsibility

Pregnancy and DDW: why caution is needed

Explanatory Guide from the DDW Library.

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Illustrative image. DDW and medications: safety questions

Responsibility

DDW and medications: safety questions

Explanatory Guide from the DDW Library.

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About DDW

Analyses and products

Studies and evidence

Health and questions