Hydrogen Water and Ionized Water: Proven to Support Healing and Wellness
Hydrogen-rich water and ionized water are being studied for their potential to support cellular balance. The above diagram illustrates the antioxidant, anti-inflammatory, cellular protective mechanisms and other health benefits of H2 (Molecular Hydrogen).
Watch this brief video to listen & watch while reading this introduction.
On this Hydrogen Water & Ionized Water Medical Research page, you can explore hundreds of scientific studies related to molecular hydrogen, also known as H2, and its possible role in a wide range of chronic health conditions.
There is a growing body of research examining the therapeutic potential of molecular hydrogen. It can be delivered either by dissolving it into water to create hydrogen-rich water, or by inhalation as hydrogen gas.
When you drink water from a water ionizer, you are not just hydrating. You are also introducing dissolved molecular hydrogen into your body. Molecular hydrogen is being studied for its potential role as a selective antioxidant, helping to neutralize certain harmful free radicals.
Because hydrogen is extremely small, it may diffuse rapidly through the body and reach tissues throughout the system. Researchers are studying hydrogen-rich water for its possible role in helping reduce oxidative stress and support normal cellular function.
This area of research has attracted growing interest because molecular hydrogen appears to have a strong safety profile and unique physical properties. Ongoing studies continue to explore its possible relevance to inflammation, metabolic health, organ function, and overall wellness.
Because molecular hydrogen is so small, it may pass through cell membranes and even cross the blood-brain barrier, allowing it to reach areas that many other compounds cannot. Its neutral, non-toxic nature is one reason it continues to receive scientific attention.
Use the Jump-To links below to explore research related to heart health, respiratory function, stroke, diabetes, liver health, kidney health, inflammation, and more.
Jump to Research: Heart | Cancer | Respiratory | Stroke | Brain-Nerves | Diabetes | Kidneys | Liver | Cholesterol | Intestines-Stomach | Meals | Skin | Inflammation | Oxidation | Aging | Eyes | Other | Videos & Discussion
FOR THE FIRST SEVERAL SECTIONS THE LINKS ARE PROVIDED BUT AFTER THAT YOU CAN STILL COPY/PASTE THE TITLE OF EACH RESEARCH CITED INTO A BROWSER TO FIND A SUMMARY OF IT AND A LINK FOR THE STUDY INFORMATION. Look for "PUBMED", National Institutes of Health / National Library of Medicine links.
How Do You Get Hydrogen Water?
There are two main ways to get hydrogen water:
My personal preference is for the water ionizer because the variety of high-pH water is a tool I use to help balance the pH of my body. However, I also frequently use a hydrogen water machine. I consider these machines as tools. Just as a carpenter uses the best tools to build a long-lasting strong house, I use these tools to build a long-lasting healthy body.
*Note: EHW is also referred to by scientists as electrolyzed hydrogen water, ionized water, electrically reduced water, electrochemically reduced water, electrolyzed reduced water, reduced water, or ERW.
Scientific Studies & Clinical Trials on Hydrogen and Ionized Water Benefits
Thousands of scientific studies and clinical trials have demonstrated the health benefits of electrolyzed hydrogen water (EHW), hydrogen water (HW), and hydrogen gas. New research continues to emerge regularly. To explore these studies yourself, try searching online using terms like “EHW PUBMED” or include “nih.gov” and combining it with othre terms to locate official publications on scientific databases such as PubMed on the topic of your choice.
Heart Health Related Research
Studies show that hydrogen-rich water can help protect the heart by reducing oxidative stress and inflammation—two major causes of heart disease. Molecular hydrogen acts as a selective antioxidant, neutralizing harmful free radicals that damage heart tissue. Numerous studies have examined how molecular hydrogen affects the heart. Research indicates that hydrogen may help reduce blood pressure, improve cardiac function, dissolve cholesterol deposits, reduce left ventricular hypertrophy, and lower mortality rates following cardiac arrest.
Below are selected examples of peer-reviewed studies showing how hydrogen water and ionized water support heart health and may play a role in preventing or improving cardiovascular conditions.
- Use of Ionized Water in Hypochlorhydria or Achlorhydria – Prof. Kuninaka Hironage
After 2–3 months of drinking alkaline antioxidant water, blood pressure gradually dropped, possibly due to improved vascular function and lipid-related factors. - The Effects of Hydrogen Gas Inhalation on Adverse Left Ventricular Remodeling After Percutaneous Coronary Intervention for ST-Elevated Myocardial Infarction
First human pilot study suggesting hydrogen inhalation is safe and may improve markers associated with hypertension and cardiac remodeling. - Hydrogen Gas Improves Left Ventricular Hypertrophy in Dahl Rats with Salt-Sensitive Hypertension
Animal study showing hydrogen reduced high blood pressure and heart muscle thickening. - Inhalation of Hydrogen Attenuates Progression of Chronic Heart Failure
Hydrogen reduced oxidative stress and improved heart failure markers in animal models. - Hydrogen Inhalation is Superior to Mild Hypothermia in Improving Cardiac Function After Cardiac Arrest
Animal study indicating hydrogen enhanced cardiac recovery and neurological outcomes. - Treatment with Hydrogen Molecule Attenuates Cardiac Dysfunction in Diabetic Mice
Hydrogen improved heart function and reduced diabetes-related cardiac damage in animal models. - Molecular Hydrogen Stabilizes Atherosclerotic Plaque
Animal study suggesting hydrogen may help reduce arterial plaque instability and support vascular health. - Hydrogen Inhalation Improves Neurological Outcomes After Cardiac Arrest
Hydrogen treatment improved neurological recovery following resuscitation. - H₂ Gas Improves Functional Outcome After Cardiac Arrest
Hydrogen reduced mortality and improved survival rates in experimental models. - Hydrogen-Rich Water Prevents Vascular Aging of the Aorta
Study found hydrogen reduced cholesterol levels and markers of arterial aging in animal models.
Further Reading: 2 Ways Ionized Water Combats Heart Disease
Cancer & Chemotherapy-Related Research
Scientific studies indicate that hydrogen water and ionized water may help slow cancer progression and support better outcomes for cancer patients. Research in both human clinical trials and animal models highlights hydrogen’s powerful antioxidant, anti-inflammatory, and cellular protective effects, making it a promising area for cancer prevention and adjunctive therapy.
- Hydrogen Gas Restores Exhausted CD8+ T Cells in Patients with Advanced Colorectal Cancer
Human study suggesting hydrogen therapy may help restore immune balance affected by chemotherapy and support outcomes in advanced colorectal cancer patients. - Protective Effect of Hydrogen-Rich Water on Liver Function of Colorectal Cancer Patients Treated with Chemotherapy
Randomized clinical trial indicating hydrogen-rich water may help reduce liver injury associated with chemotherapy treatment. - Hydrogen Gas Inhibits Lung Cancer Progression Through Targeting SMC3
Animal study suggesting hydrogen may suppress lung cancer progression through molecular pathway regulation. - Hydrogen Water Enhances 5-Fluorouracil-Induced Inhibition of Colon Cancer
Animal study showing hydrogen-rich water may enhance the effectiveness of chemotherapy and improve survival outcomes. - Mitochondria and Cancer: Past, Present and Future
Comprehensive review discussing the role of mitochondria in cancer development, progression, and treatment strategies. - Molecular Hydrogen Alleviates Nephrotoxicity Induced by the Anti-Cancer Drug Cisplatin
Animal study suggesting hydrogen may help protect kidney function during chemotherapy without reducing anticancer effects.
Mice Experiments on Hydrogen and Cancer
Further Reading:
Immune Function, Inflammation & Respiratory Research
Studies indicate that hydrogen water helps reduce inflammation, support immune balance, and protect lung tissue from oxidative and environmental stress. These findings suggest hydrogen has potential as a therapeutic aid for respiratory and inflammatory conditions.
- Effect of Hydrogen-Rich Saline on CD4+ CD25+ Foxp3+ Treg Cells in Allergic Rhinitis Model
Animal study suggesting hydrogen may help reduce allergic inflammation and support immune system regulation. - Hydrogen Alleviates Oxygen-Induced Acute Lung Injury via SIRT1 Regulation
Animal study indicating hydrogen may help protect lung tissue from hyperoxia-related damage and reduce pulmonary edema. - Hydrogen-Rich Water Inhibits Mitochondrial Oxidative Stress and Inflammation After Exercise
Animal study suggesting hydrogen-rich water may help reduce oxidative stress and inflammation following intense physical activity. - Immunological Effects of Electrolyzed Reduced Water on Infection in Mice
Animal study indicating hydrogen-rich water may support immune responsiveness during infection.
Brain, Neurological & Stroke Research
Scientific studies demonstrate that hydrogen water and hydrogen gas therapy can help protect the brain and nervous system against oxidative stress, improve recovery rates after stroke, and reduce the severity of neurological damage. Molecular hydrogen supports the body’s natural antioxidant defenses, helping preserve brain cells, arteries, and mitochondrial function.
- Molecular Hydrogen Suppresses Glioblastoma Growth via Inducing Glioma Stem-Like Cell Differentiation
Animal study suggesting hydrogen inhalation may reduce tumor growth in glioblastoma models. - Hydrogen-Rich Water Attenuates Oxidative Stress in Rats with Traumatic Brain Injury via Nrf2 Pathway
Animal study indicating hydrogen-rich water may provide neuroprotective and antioxidant effects following brain injury. - Inhalation of Hydrogen Ameliorates Spinal Cord Injury in Mice by Protecting Neurons and Mitochondria
Animal study suggesting hydrogen inhalation may reduce neuronal damage and preserve mitochondrial structure. - Hydrogen Exerts Neuroprotective Effects on OGD/R-Damaged Neurons via PINK1/Parkin Signaling Pathway
Cell study indicating hydrogen may protect neurons by supporting mitochondrial repair and reducing oxidative injury. - Hydrogen Inhalation Improves Neurological Outcomes After Cerebral Ischemia/Reperfusion
Animal study suggesting hydrogen may improve neurological recovery following stroke-related injury. - Molecular Hydrogen Protects Against Oxidative Stress-Induced SH-SY5Y Neuroblastoma Cell Death
Cell study indicating hydrogen may protect nerve cells from oxidative damage. - Effect of Hydrogen-Rich Water on Angiogenesis and Nerve Function After Traumatic Brain Injury
Animal study suggesting hydrogen may promote blood vessel growth and support neurological recovery. - Hydrogen-Rich Water Attenuates Brain Damage and Inflammation After Traumatic Brain Injury
Animal study suggesting hydrogen may reduce swelling and inflammation in brain tissue.
Neurodegenerative Conditions Cognitive Functions Research
Scientific studies show that hydrogen water protects neurons, reduces memory impairments, decreases the size of brain tumors, and mitigates the severity of multiple sclerosis. Regular consumption of hydrogen-rich water or molecular hydrogen may support brain health and cognitive function.
FOR THE REMAINING SECTIONS THE LINKS ARE NOT PROVIDED BUT YOU CAN COPY/PASTE THE TITLE OF EACH ONE INTO A BROWSER TO FIND A SUMMARY OF THE STUDY AND THE TOP LINK IS USUALLY A LINK TO THE STUDY. Look for "PUBMED", National Institutes of Health / National Library of Medicine links.
- Pilot Study of H₂ Therapy in Parkinson's Disease: A Randomized Double-Blind Placebo-Controlled Trial
Human clinical trial indicating hydrogen-rich water was well tolerated and may improve symptoms in Parkinson’s disease compared to control. - FoxO1-Mediated Autophagy in Hydrogen-Treated Rat Model of Vascular Dementia
Animal study suggesting hydrogen-rich water may reduce neuron loss and support memory function. - Effects of Molecular Hydrogen on Mild Cognitive Impairment
Animal study indicating hydrogen-rich water may help reduce oxidative stress and support cognitive function. - Hydrogen-Rich Water Improves Cognitive Function in APP/PS1 Mice Without Affecting Aβ Clearance
Animal study suggesting hydrogen may improve cognitive performance and reduce oxidative stress. - Hydrogen-Rich Water Improves Neurological Recovery in Experimental Autoimmune Encephalomyelitis Mice
Animal study indicating hydrogen may delay onset and reduce severity in a model of multiple sclerosis. - Hydrogen-Rich Water Attenuates Amyloid β-Induced Cytotoxicity via Sirt1-FoxO3a Activation
Animal study suggesting hydrogen may reduce oxidative cell damage and support cellular repair mechanisms. - Electrochemically Reduced Water Protects Neural Cells from Oxidative Damage
Animal and cell research indicating hydrogen-rich water may help protect neurons from oxidative stress.
Metabolic Health, Glucose-Related and Diabetes Research
Extensive research shows that hydrogen-rich water helps improve blood glucose control, insulin sensitivity, and overall metabolic health. These studies highlight its potential in supporting diabetes management.
- Supplementation of Hydrogen-Rich Water Improves Lipid and Glucose Metabolism in Patients with Type 2 Diabetes or Impaired Glucose Tolerance
Human study showing hydrogen may reduce oxidative stress, improve insulin resistance, and support glucose metabolism. - Hydrogen Improves Glycemic Control in Type 1 Diabetic Animal Model by Promoting Glucose Uptake into Skeletal Muscle
Animal study suggesting hydrogen may enhance glucose control by improving uptake in muscle tissue. - Anti-Diabetes Effect of Water Containing Hydrogen Molecules and Pt Nanoparticles
Animal study indicating hydrogen and nano platinum may support glucose signaling pathways. - Preservative Effect of Electrolyzed Reduced Water on Pancreatic Beta-Cell Mass in Diabetic db/db Mice
Animal study indicating hydrogen may support insulin production and improve glucose tolerance. - Protective Mechanism of Reduced Water Against Alloxan-Induced Pancreatic Beta-Cell Damage
Animal study suggesting hydrogen may protect pancreatic cells from oxidative damage and support glucose sensitivity.
50 Years of Research Highlighting the Healing Power of Ionized Water
Japan’s use of water ionizers in research and healthcare is remarkable. The Japanese enjoy some of the longest lifespans and lowest infant mortality rates in the world, potentially linked to their use of hydrogen-rich water.
Watch the video and read this article:
Ionized Water, Molecular Hydrogen & the History of Japanese Healthcare
Ionized Water Used to Treat Diabetic Necrosis
Kidney Health & Renal Function Research
Hydrogen-rich water supports kidney health, improves outcomes for dialysis patients, and protects the kidneys from damage caused by oxidative stress or toxins.
- Novel Hemodialysis Treatment Employing Molecular Hydrogen (H2)-Enriched Dialysis Solution Improves Prognosis of Chronic Dialysis Patients: A Prospective Observational Study
Human study suggesting hydrogen-enriched dialysis solution may improve prognosis and overall health in chronic dialysis patients. - Reduced Hemodialysis-Induced Oxidative Stress in End-Stage Renal Disease Patients by Electrolyzed Reduced Water
Human study indicating ionized water may reduce oxidative stress and support kidney health in dialysis patients. - Nephroprotective Effect of Electrolyzed Reduced Water Against Cisplatin-Induced Kidney Toxicity and Oxidative Damage in Mice
Animal study suggesting ionized water may help protect kidneys from chemotherapy-related damage. - Hydrogen-Rich Water Attenuates Renal Injury and Fibrosis by Regulating Transforming Growth Factor
Animal study indicating hydrogen-rich water may reduce kidney fibrosis and tissue damage. - Intake of Water with High Levels of Dissolved Hydrogen (H2) Suppresses Ischemia-Induced Cardio-Renal Injury in Dahl Salt-Sensitive Rats
Animal study suggesting hydrogen-rich water may support recovery after kidney-related injury. - Consumption of Hydrogen-Rich Water Alleviates Renal Injury in Spontaneously Hypertensive Rats
Animal study indicating hydrogen-rich water may help reduce kidney damage associated with hypertension.
Further Reading: Damaged Kidneys? How to Repair Them Naturally
Liver Health, Detoxification & Gastrointestinal Research
Hydrogen-rich water reduces oxidative stress, protects liver function, and may help prolong life.
- Protective Effect of Hydrogen-Rich Water on Liver Function of Colorectal Cancer Patients Treated with mFOLFOX6 Chemotherapy
Human study suggesting hydrogen-rich water may help maintain microcirculation and mitochondrial function during chemotherapy. - Effects of Drinking Hydrogen-Rich Water on the Quality of Life of Patients Treated with Radiotherapy for Liver Tumors
Human study indicating hydrogen-rich water may help reduce oxidative stress markers associated with radiation therapy. - Effect of Hydrogen-Rich Water on Oxidative Stress, Liver Function, and Viral Load in Patients with Chronic Hepatitis B
Human study suggesting hydrogen-rich water may help reduce oxidative stress in patients with Hepatitis B. - Effects of Molecular Hydrogen-Dissolved Alkaline Electrolyzed Water on Intestinal Environment in Mice
Animal study suggesting hydrogen-rich water may support intestinal balance, cholesterol metabolism, and liver health. - Pre-Administration of Hydrogen-Rich Water Protects Against Lipopolysaccharide-Induced Sepsis and Attenuates Liver Injury
Animal study suggesting hydrogen-rich water may reduce oxidative stress and liver cell damage during sepsis. - Hepatoprotective Effect of Electrolyzed Reduced Water Against Carbon Tetrachloride-Induced Liver Damage in Mice
Animal study indicating hydrogen-rich water may help protect the liver from chemical-induced damage.
Further Reading: Natural Healing of the Liver
Cholesterol, Lipid Balance, Metabolic Health Research
Hydrogen-rich water helps reduce cholesterol buildup in blood vessels and supports healthy lipid metabolism.
- Hydrogen-Rich Water Decreases Serum LDL-Cholesterol Levels and Improves HDL Function in Patients with Potential Metabolic Syndrome
Human study suggesting hydrogen-rich water may help support healthy cholesterol levels and improve HDL function. - Effects of Molecular Hydrogen-Dissolved Alkaline Electrolyzed Water on Intestinal Environment in Mice
Animal study indicating hydrogen-rich water may support gut fermentation and contribute to cholesterol metabolism.
Gut Health, Microbiome & Digestive Health Research
Hydrogen-rich water supports gut flora, improves symptoms of diarrhea and irritable bowel syndrome, and protects intestines from chemotherapy or radiation damage.
- Effects of the Long-Term Consumption of Hydrogen-Rich Water on Antioxidant Activity and Gut Flora in Female Juvenile Soccer Players
Human study suggesting hydrogen-rich water may support antioxidant activity and healthy gut microbiota balance. - Daily Ingestion of Alkaline Electrolyzed Water Containing Hydrogen Influences Human Health, Including Gastrointestinal Symptoms
Human study indicating alkaline ionized water may help relieve abdominal discomfort and support overall well-being. - Effects of Alkaline-Reduced Drinking Water on Irritable Bowel Syndrome with Diarrhea: A Randomized Double-Blind, Placebo-Controlled Pilot Study
Human study suggesting alkaline ionized water may improve symptoms of irritable bowel syndrome. - Selective Stimulation of the Growth of Anaerobic Microflora in the Human Intestinal Tract by Electrolyzed Reducing Water
Human study indicating alkaline ionized water may support balance of beneficial gut microflora. - Intestinal Microbiota Ecological Response to Oral Administrations of Hydrogen-Rich Water and Lactulose in Female Piglets
Animal study suggesting hydrogen-rich water may help maintain intestinal microbiota balance under stress conditions. - Effects of Molecular Hydrogen-Dissolved Alkaline Electrolyzed Water on Intestinal Environment in Mice
Animal study indicating hydrogen-rich water may support gut microbial balance. - Hydrogen Water Ameliorates Radiation-Induced Gastrointestinal Toxicity via MyD88’s Effects on the Gut Microbiota
Animal study suggesting hydrogen-rich water may help protect intestinal tissues during radiation exposure. - Hydrogen-Rich Water Protects Against Inflammatory Bowel Disease in Mice
Animal study indicating hydrogen-rich water may help reduce inflammation and support intestinal health. - Physiological Effects of Alkaline Ionized Water: Effects on Metabolites Produced by Intestinal Fermentation
Animal study suggesting alkaline ionized water may support intestinal fermentation and metabolic balance.
Further Reading: The Stomach, Digestion, and Alkaline Ionized Electrolyzed Water.
Best Practices for Drinking Alkaline or Hydrogen-Rich Water
- Before meals: Sip small amounts of water 15–30 minutes before eating. Adding a few drops of apple cider vinegar can help prepare digestion.
- During meals: Drink moderately to aid swallowing and activate digestive enzymes. Alkaline water with a squeeze of lemon can enhance nutrient absorption, especially water-soluble vitamins (B and C) and minerals.
- After meals: Continue with small sips for up to 30 minutes after eating to support ongoing digestion.
- Between meals: Ideal for greater volumes of hydration, neutralizing metabolic acids, supporting bowel movements, and providing antioxidants if the water is rich in molecular hydrogen.
Water itself does not trigger digestion, as it has no calories. Hydrogen-rich water quickly delivers antioxidants and pH buffering benefits directly to your cells, maximizing its protective effects.
Avoid Possible Negative Effects During Meals:
Avoid drinking large amounts of water during meals, as it may temporarily dilute stomach acid, potentially slowing protein digestion.
Skin Health, Inflammation & Dermatology Research
Hydrogen-rich water has been shown to alleviate psoriasis, skin ulcers, atopic dermatitis, and reduce wrinkle formation.
- Positive Effects of Hydrogen-Water Bathing in Patients with Psoriasis and Parapsoriasis en Plaques
Human study suggesting hydrogen-water bathing may help improve symptoms of psoriasis and related skin conditions. - Hydrogen Water Intake via Tube-Feeding for Patients with Pressure Ulcer and Its Reconstructive Effects on Skin Cells In Vitro
Human and laboratory study indicating hydrogen-rich water may support skin cell repair and wound healing. - Hydrogen (H2) Treatment for Acute Erythematous Skin Diseases: Feasibility Study
Human study suggesting hydrogen therapy may help improve inflammatory skin conditions. - Hydrogen-Rich Warm Water Reduces UVA-Induced Wrinkles and Promotes Collagen Production
Human study indicating hydrogen-rich water may help reduce UV-related skin damage and support collagen production.
Inflammation, Immune Function & Recovery Research
Hydrogen reduces inflammation, edema, and supports immune response.
- Effectiveness of Oral and Topical Hydrogen for Sports Injuries
Human study suggesting hydrogen may support faster recovery in athletes following sports-related injuries. - Anti-Inflammatory Properties of Molecular Hydrogen
Research indicating hydrogen may help reduce inflammation, including in liver-related conditions. - Immunological Effects of Electrolyzed Reduced Water in Mice
Animal study suggesting hydrogen-rich water may support immune system responsiveness.
Oxidative Stress, Metabolic Balance & Cellular Health Research
- Hydrogen May Inhibit Collagen-Induced Platelet Aggregation: Ex Vivo & In Vivo Study
Human and animal study suggesting hydrogen may help inhibit platelet aggregation and support vascular function. - Effects of Hydrogenized Water on Antioxidant Biomarkers, Glucose Uptake, Insulin Signaling, SIRT1, and Telomerase Activity
Laboratory study indicating hydrogen-rich water may act as an antioxidant and influence metabolic signaling pathways. - Hydrogen Reduces Oxidative Stress and Apoptosis in Steroid-Induced Osteonecrosis
Animal study suggesting hydrogen may help protect bone tissue from oxidative damage. - Molecular Hydrogen Improves Obesity and Diabetes via Hepatic FGF21 and Energy Metabolism in db/db Mice
Animal study indicating hydrogen may support energy metabolism and metabolic health.
Longevity, Aging, & Cellular Health Research
Hydrogen improves cell function, longevity, and protects DNA.
- Hydrogen Alleviates Cellular Senescence via ROS/p53/p21 Pathway
Animal study suggesting hydrogen may help reduce cellular aging by modulating oxidative stress pathways. - Hydrogen Protects Against Oxidative Damage
Animal study indicating hydrogen may help reduce oxidative stress at the cellular level. - Alkaline Water and Longevity: A Murine Study
Long-term animal study suggesting alkaline ionized water may support lifespan in mice. - Electrolyzed-Reduced Water Scavenges Radicals and Protects DNA
Animal study indicating ionized water may help protect DNA from oxidative damage.
Eye Health, Vision, Retinal Protection Research
- Hydrogen Prevents Blindness in Alkali-Burn Model
Animal study indicating hydrogen may help protect vision following severe eye injury. - Hydrogen-Loaded Eye Drops Protect Retina in Ischemia-Reperfusion Injury
Animal study suggesting hydrogen-based treatments may help protect retinal cells from oxidative damage.
Additional Clinical, Experimental & Emerging Research
This section highlights various studies over the years showing the therapeutic and protective benefits of hydrogen-rich and ionized water for multiple health conditions.
- Use of Ionized Water for Gynecological Conditions — Prof. Watanabe Ifao, Watanabe Hospital
Observational findings suggesting alkaline antioxidant water may support overall health outcomes, including in pregnancy-related conditions. - Effects of Drinking Hydrogen-Rich Water on the Quality of Life of Patients Treated with Radiotherapy for Liver Tumors
Randomized human study indicating hydrogen-rich water may support quality of life during radiation treatment. - Daily Consumption of 2 Liters of Electrolyzed Water for 2 Months in Four Obese Subjects
Small observational report suggesting potential weight loss and metabolic changes; further research needed. - Effect of Electrolyzed High-pH Alkaline Water on Blood Viscosity in Healthy Adults
Human study suggesting alkaline ionized water may support hydration and improve blood viscosity after exercise. - Administration of Molecular Hydrogen During Pregnancy Improves Behavioral Outcomes in Offspring
Animal study suggesting maternal hydrogen intake may support healthy neurological development. - Molecular Hydrogen as a Preventive and Therapeutic Medical Gas: Initiation, Development and Potential of Hydrogen Medicine
Comprehensive review summarizing the development and potential applications of hydrogen therapy. - Ionized Alkaline Water: Strategy for Management of Metabolic Acidosis in Experimental Models
Animal study suggesting alkaline ionized water may support acid-base balance. - Electrolyzed-Reduced Water Inhibits Acute Ethanol-Induced Hangovers in Rats
Animal study indicating hydrogen-rich water may help reduce oxidative stress associated with alcohol exposure. - Electrochemically Reduced Water Exerts Superior ROS Scavenging Activity in Cells
Laboratory study suggesting electrolyzed reduced water may have enhanced antioxidant activity.
Hydrogen Water Research: A Broad and Growing Body of Scientific Evidence
Hydrogen-rich water and ionized water have been studied extensively for their potential role in supporting overall health and cellular balance.
A large and growing number of scientific studies have explored their effects across multiple areas, including skin health, inflammation, oxidative stress, aging, eye health, and general wellness. While it is not possible to include every study on this page, the research presented here represents a broad cross-section of the available scientific literature.
Interest in hydrogen and ionized water research increased significantly in Japan, where early clinical use and hospital-based observations helped bring attention to these technologies. During that time, a number of case reports and demonstrations were shared publicly, highlighting potential applications in areas such as skin conditions and overall health.
Historical Clinical Observations
One example comes from Akashi Hospital in Tokyo, Japan, where Dr. Shinkai reported outcomes in patients with atopic dermatitis using both alkaline and acidic ionized water.
Atopic dermatitis is a condition often associated with chronic inflammation and itching. Observational reports from that period suggested that some patients experienced noticeable improvements in symptoms when ionized water was incorporated into their care.
These early reports helped spark ongoing scientific interest and further research into the potential mechanisms of hydrogen-rich and ionized water, particularly in relation to inflammation, skin health, and immune response.
As with all research in this field, findings should be interpreted in the context of study design, and ongoing research continues to explore these effects in greater depth.
Hydrogen-rich and ionized water have been studied extensively for their potential health benefits. A large number of scientific articles have explored potential effects across multiple areas, including skin health, inflammatory response, antioxidant activity, aging, eye health, and general wellness. It is not possible to include every study on this page, but the selections provided represent a broad overview of the research.
The videos below reflect early interest and clinical observations from Japan, where much of the foundational research and practical application of these technologies first gained attention.
ATOPIC DERMATITIS: HOSPITAL REPORT
Japanese study shows a remarkable recovery of an Atopic Dermatitis patient. Atopic dermatitis is an illness accompanied by intense itching. Its cause is unknown. It is normally an incurable-illness.
IONIZED WATER USED TO CURE ATHLETES FOOT, BED SORES & MORE
This report shows several more serious medical problems cured with alkaline and acidic ionized water.
IONIZED WATER & PREGNANCY
Ionized water studied extensively with gestating women. Dr. Wantanabe (the top gynecologist in Japan) says both the mother and the baby benefit by drinking ionized water during pregnancy.
QUOTE FROM TOP GEINECOLOGIST IN JAPAN, PROF. WATANABE IFAO, WATANABE HOSPITAL
"The main reason for its effectiveness is that this water can neutralize toxins. When given antioxidant water to pre-eclamptic toxemia cases, the results are most significant. During my long years of servicing the pre-eclamptic toxemia cases, I found that the women with pre-eclamptic toxemia who consumed antioxidant water tend to deliver healthier babies with stronger muscles. A survey report carried out on babies in this group showed intelligence above average."
CONTROLLED EXPERIMENTS STARTED IN JAPAN
The ionized water used in many experiments ionized water from a water ionizer or something like an alkaline pitcher
MICE EXPERIMENTS:
These experiments with mice show the positive effects found by water ionizer research in Japan and Korea. The video shows impressive results using ionized water with diabetes, cancer, high blood pressure and obesity in mice and rats.
CHICKEN EXPERIMENTS:
Alkaline ionized water has made significant improvements in the overall health and immune systems of chickens.
BENEFITS OF MOLECULAR HYDROGEN (12-MINUTE VIDEO)
How Molecular Hydrogen Helps to Heal & Prevent Diseases:
- Molecular hydrogen lowers oxidative stress. Oxidative stress and inflammation are two of the worst mechanisms for destroying human health.
- Molecular hydrogen alleviates inflammation, which is the underlying cause to many diseases.
- Molecular hydrogen brings the body into balance.
- Some animal research shows that molecular hydrogen actually has the potential to prevent oxidative stress related injuries or diseases from occurring.
- Molecular hydrogen protects the mitochondria.
- Molecular hydrogen has no known disadvantages to health or warnings.
- It permeates every membrane in your body.
- When not needed, it simply evaporates.
Who Can Consume Molecular Hydrogen?
Anybody can have it: a pregnant mother, a child, a baby, the elderly, everybody. It even positively affects the unborn child.
Summary of Research Findings on Hydrogen & Ionized Water
The research presented on this page highlights a growing body of scientific interest in molecular hydrogen (H₂) and hydrogen-rich (ionized) water as tools for supporting overall health and cellular balance.
Across human clinical trials, animal studies, and laboratory research, hydrogen has been consistently studied for its potential role in:
- Reducing oxidative stress and free radical damage
- Supporting cellular function and signaling pathways
- Modulating inflammation and immune responses
- Improving aspects of metabolic health, including glucose and lipid balance
- Supporting organ systems, including the heart, brain, liver, and kidneys
- Enhancing recovery, resilience, and overall wellness
One of the most unique aspects of molecular hydrogen is its ability to act as a selective antioxidant, meaning it may help neutralize harmful free radicals without interfering with beneficial biological processes.
Hydrogen can be delivered through hydrogen-rich water, ionized (electrolyzed) water, or hydrogen gas, and research continues to explore its potential applications across a wide range of health conditions.
While many findings are promising, it is important to recognize that research is ongoing. Studies include a combination of human clinical trials, animal models, and laboratory investigations, and results should be interpreted within that context.
Overall, the evidence suggests that hydrogen-rich water is a safe and increasingly studied approach to supporting hydration, cellular health, and long-term wellness.
This page is intended for educational purposes only and is not a substitute for professional medical advice.