
What is Hydrogen?
– on its healthcare benefits –
Hydrogen has recently attracted wide attention as a next-generation carbon-free energy.
And at the same time, Molecular Hydrogen (H2) is now recognized as a novel medically relevant gas with therapeutic potential.
“Oxidative stress is the root cause of aging and disease—and hydrogen is clinically proven to neutralize the most harmful free radicals.”
Unique properties of Molecular Hydrogen (H2)
Our bodies age and develop diseases partly because of a process called oxidation, similar to how metal rusts when exposed to air and water. This happens when harmful molecules called reactive oxygen species (ROS) damage our cells. Some ROS, like hydroxyl radicals, are especially harmful and contribute to aging and health problems. However, other ROS are helpful, supporting our immune system and cell functions.
Antioxidants are substances in foods like fruits and vegetables (e.g., Vitamin C) that protect our bodies by neutralizing ROS. The problem? Most antioxidants remove both harmful and helpful ROS, which isn’t ideal.
Molecular hydrogen (H₂) is a special antioxidant. Unlike others, it selectively targets only the harmful ROS, like hydroxyl radicals, leaving the helpful ones alone. When hydrogen neutralizes these harmful molecules, it combines with oxygen in the body to form water (H₂O), which is safely removed through sweat or urine. This makes molecular hydrogen a unique and effective way to reduce damage from oxidation, potentially supporting better health and slowing aging.

1. Antioxidant Properties of Molecular Hydrogen
2. Hydrogen being the smallest element
in the universe
Hydrogen (H₂) is the smallest molecule in the universe, made of just one proton and one electron. This tiny size lets it move easily through the body, like water slipping through a fine mesh. Unlike larger molecules, such as vitamins, hydrogen can pass through cell walls and reach deep parts of the body, including the brain.The brain is protected by a barrier called the blood-brain barrier, which blocks most substances, including many antioxidants, to keep the brain safe. Hydrogen’s small size allows it to cross this barrier and enter the brain, where it acts as an antioxidant. It neutralizes harmful molecules that cause aging and damage, helping to protect brain cells. This unique ability suggests hydrogen could help prevent brain-related diseases, like those linked to aging or oxidative stress.

Expected positive effect of Molecular Hydrogen (H2)

Antioxidant properties
Hydrogen water contains high levels of antioxidants, which help protect the body from free radicals and oxidative stress. This can lead to a reduced risk of chronic diseases like cancer, heart disease, and neurodegenerative disorders.

Improved digestion
Hydrogen water may help improve digestion and reduce symptoms of irritable bowel syndrome (IBS) by reducing inflammation in the gut and promoting the growth of beneficial gut bacteria.Reduced oxidative stress: Hydrogen water has been shown to reduce oxidative stress in the body, which can lead to improved overall health and a reduced risk of chronic diseases.

Improved exercise performance
Hydrogen water has been shown to improve exercise performance by increasing endurance, reducing fatigue, and improving recovery after exercise.

Neuroprotective effects
Inhaling hydrogen has been shown to improve cognitive function and reduce symptoms of neurodegenerative diseases such as Alzheimer's, Parkinson's, and stroke.

Improved exercise performance
Inhaling hydrogen may improve exercise performance by reducing oxidative stress and improving muscle function.

Improved energy
Hydrogen water is said to increase energy levels by improving the body's ability to produce ATP (adenosine triphosphate), the energy currency of cells.

Anti-inflammatory effects
Hydrogen has been shown to have anti-inflammatory properties, which may help reduce inflammation and alleviate symptoms of conditions like arthritis, asthma, and other inflammatory disorders.

Improve mental health
Some studies suggest that hydrogen water may have a positive impact on mental health by reducing anxiety, depression, and stress levels.It's important to note that while these benefits are promising, more research is needed to fully understand the effects of hydrogen water on human health.

Improved immune function
Hydrogen inhalation may help boost the immune system and reduce the risk of infections.

Relaxation and stress relief improve your sleep quality
Hydrogen inhalation has been shown to promote relaxation and reduce stress levels, which can lead to improved mental health and well-being.

Improved skin health
Some studies suggest that hydrogen water may help improve skin hydration, reduce wrinkles, and even treat skin conditions like acne and eczema.

Antibacterial properties
Hydrogen has been shown to have antibacterial properties, which may help reduce the risk of infections and promote oral health.

Cardiovascular health
Drinking hydrogen water helps improve cardiovascular health by reducing blood pressure, improving blood lipid profiles, and preventing the formation of blood clots.

Pain relief
Inhaling hydrogen has been shown to reduce pain perception and alleviate symptoms of fibromyalgia and other chronic pain conditions.

Potential treatment for various diseases
Hydrogen inhalation is being explored as a potential treatment for a range of diseases, including cancer, Parkinson's disease, diabetes, and chronic obstructive pulmonary disease (COPD).
How to absorb hydrogen effectively
1. Drinking Hydrogen Water
Hydrogen water is a popular and convenient way to consume hydrogen. To produce high-concentration, pure hydrogen water, selecting the right equipment is crucial. (Our product range also includes devices that create other hydrogen-infused beverages, like tea or juice.) When you drink hydrogen water, hydrogen is absorbed through the intestines, enters the bloodstream, and circulates throughout the body. Consuming it as a beverage allows for slow absorption, enabling hydrogen to remain in the body longer.

2. Inhaling Hydrogen Gas
In the case of hydrogen inhalation, hydrogen gas is absorbed through the lungs and spreads throughout the entire body.
Generally, inhaling hydrogen gas is believed to be more effective for the lungs and brain compared to drinking hydrogen water. Therefore, our hydrogen gas inhalers are often used in hospitals and clinics for various treatments.

3. Direct uptake of hydrogen molecules : Hydrogen Bathing / Preservation of transplanted organs
It is also possible to incorporate hydrogen into the body from the surface using the diffusion properties of hydrogen. Hydrogen easily passes through the skin and spreads throughout the body via the bloodstream
Therefore, taking a bath with hydrogen-dissolved water can be one way to regularly introduce hydrogen into the body in everyday life.
Furthermore, leveraging the same properties, high-concentration hydrogen water generated by Doctors Man’s Hydrogen Injector DAYS is used for the preservation of transplant organs in multiple medical settings.
Research and Development on HYDROGEN THERAPY
Regarding the application of hydrogen therapy in medicine, various studies and experiments are currently underway.
To obtain formal medical certification, further statistical evidence through systematic clinical trials is necessary.
However, hydrogen gas inhalation therapy was certified as advanced medical type B in 2016 and is used as a supplementary medical approach in emergency medical situations already in Japan.
Moreover, in China, hydrogen gas inhalation therapy was introduced for pneumonia cases related to the novel coronavirus (COVID-19) in 2020 and received medical device certification the following year.
Molecular hydrogen's therapeutic effects have been confirmed through clinical trials and animal studies, showing its ability to diffuse through cell membranes and benefit nearly all organs due to its low molecular weight. Many now recognize hydrogen as beneficial, using hydrogen gas or water for body maintenance. Doctors Man offers hydrogen-related healthcare products for medical professionals and individuals. This page explains molecular hydrogen's characteristics and benefits for your well-being.
Product development based on accurate measurement – GAS CHROMATGRAPHY
A wide variety of hydrogen water products exist, with significant price differences. Choosing a cheap product that doesn’t deliver benefits is pointless, so prioritize performance over price. Select products generating high-concentration hydrogen water, as not all accurately measure concentration. Test solutions at exhibitions may react with non-hydrogen elements, leading to inaccurate results. For accurate measurements, we rely on JHyPA and use Gas Chromatography to verify Doctor’s Man hydrogen water and inhaler products. Our inhalers use high-quality parts for purer, safer hydrogen gas and are used in medical university research, with blood hydrogen levels also measured via Gas Chromatography.
Hydrogen Concentration measurement by Gas Chromotography
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Step-1. Take Hydrogen water into a beaker.
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Step-2. Move it to a micro syringe.
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Step-3. Insert 100ml of Hydrogen wtaer into a test tube.
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Step-4. Shake the tetst tube for 10 sec and leave it for 1 minute.
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Step-5. Remove 1μl of Hydrogen gas from the test tube.
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Step-6. Insert into a measurement machine.
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Step-7. Measuring (waves start appearing after 40 sec).
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Step-8. Measurement result to be displayed after 4 minutes.
