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Frequently Asked Questions

Answers for customers questions

What is hydrogen water?

Hydrogen water or hydrogen-rich water (also called hydrogen-enriched water) simply means normal water (H2O) that contains dissolved hydrogen gas (H2).  For example, there are carbonated waters or beverages (soda pop), which contain dissolved carbon dioxide gas (CO2), or oxygen water, which contains dissolved oxygen gas (O2). Similarly, you can have water that contains dissolved hydrogen gas.

Think of it this way: you can make hydrogen water by taking a tank of hydrogen gas (just like  tanks of helium used to fill balloons or tanks of oxygen gas used in hospitals), and bubbling it into a glass of water. There are also many other methods to make hydrogen water, but this may help you better understand what hydrogen water is. It is simply water that contains dissolved hydrogen gas.

Isn’t hydrogen gas explosive?

Yes, it is VERY explosive. Hydrogen is the most energy-dense molecule by mass.  But, when the gas is dissolved in water it is not explosive at all, just like if you mixed gunpowder in water it wouldn’t be explosive either.  Even when it is in the air, it is only flammable above a 4.6% concentration by volume, which is not a concern when talking about hydrogen-rich water.

Doesn’t water already have hydrogen in it because water is H2O?

The water molecule has two hydrogen atoms, chemically bound to the oxygen atom. This is different from the hydrogen gas molecule (H2), which is just two hydrogen atoms bound only to each other.

Here’s an example: we need oxygen (O2) to live, so why can’t we just get our oxygen from drinking water, H2O? It’s because the oxygen is chemically tied up in the water molecule. We need available oxygen gas, (O2) that is notbound to other atoms or molecules.  In the same way, in order for the dissolved hydrogen gas (H2) to benefit us, it must be in an unbound form, and therefore available for therapeutic benefit.

This is why water is not explosive or doesn’t burn. Although, it contains hydrogen, which is flammable, and oxygen, which fire needs to burn, the hydrogen and oxygen are bonded together to form water (H2O). Thus, water is not flammable-in fact, H2O is what we use to extinguish fires.

Furthermore, virtually everything has hydrogen atoms in it, but those hydrogen atoms are chemically tied up with other things.  For example,  a water molecule has two hydrogen atoms that are chemically tied up with the oxygen. Or, a sugar molecule like glucose contains 12 hydrogens, but those hydrogens are all bound to other carbon and oxygen atoms.  In hydrogen water, the hydrogen that is shown to be therapeutic is the available dissolved hydrogen in its diatomic form, called molecular hydrogen.

I thought that if water is “hydrogen rich”, then it must be acidic?

Great question! If the water is rich in positive hydrogen ions (H+).then yes it IS acidic. But in this case, we’re talking about neutral hydrogen gas (H2), which is two hydrogen atoms tied together.

It can be confusing to hear “hydrogen water” because we usually think of hydrogen (meaning the hydrogen ion, H+) as acidic, and that is basically the definition of pH.  The p stands for potential or power, meaning a mathematical exponent (in this case a logarithmic function), and the H stands for the hydrogen ion, which is just a proton and no electron. So pH literally means the logarithmic concentration of the hydrogen ion.

But when we say “hydrogen water” we are referring to dihydrogen or molecular hydrogen, which is a neutral gas that is dissolved in the water.

I read that if you add hydrogen to water, then it makes hydrogen peroxide?

Water has the chemical formula H2O,  and hydrogen peroxide has the chemical formula H2O2, which by comparison contains an extra oxygen, not hydrogen. So it does not, indeed it cannot, form hydrogen peroxide. The fact is, hydrogen gas does not bond to or react with the water molecules, it just dissolves into the water. It does not create some novel molecule like H4O, which would in fact be chemically impossible to form. Therefore,  hydrogen water and hydrogen peroxide are completely different substances.

Since hydrogen gas doesn’t dissolve very well in water, how can there even be enough for it to be beneficial?

It is true that hydrogen is not very water soluble as it is a neutral, non-polar molecule with a solubility of 1.6 mg/L, which is relatively low. But when we consider that molecular hydrogen is the lightest molecule in the universe, we really need to compare the number of molecules as opposed to the number of grams. For example, if a single molecule weighed 2 mg (which is impossible, but used as an example), then having just one of those molecules in a liter of water would give you 2 mg/L, but there would only be one molecule.  For reference, vitamin C (176.2 g/mole) weighs 88 times more than hydrogen gas (2 g/mole). Therefore, hydrogen water at a concentration of 1.6 mg/L would have more “antioxidant” molecules than 100 mg of vitamin C, as there are more total molecules in 1.6 mg of hydrogen compared 100 mg of vitamin C. That is, 0.8 mmoles of H2 vs. about 0.6 mmoles of vitamin C.

But more importantly, hundreds of scientific studies clearly show that these concentrations of hydrogen are effective.

Won’t any dissolved hydrogen gas immediately escape out of the water?

Yes, it does immediately start coming out of the water, but it doesn’t just vanish immediately. Depending on the surface area, agitation, etc., the hydrogen gas can stay in the water for a few hours or longer before it drops below a therapeutic level. This is much like carbonated water or soda that contains carbon dioxide gas (CO2), but because it does leave, it is best to drink the water promptly before it goes “flat”.

How much hydrogen water should I drink to get the benefits?

That is the same question scientists are asking and is still under investigation. But, the human studies generally provide about 1-3 mg/L of dissolved H2, and these concentrations show significant health benefits. So, if your water has a concentration of 1 mg/L (equivalent to 1 ppm, parts per million), then two liters will give you 2 mg of H2. Although the effective concentration for some people and some diseases may be lower and/or higher, these doses are simply what have been seen to exert benefits.

Does more hydrogen equal more benefits?

Maybe, maybe not…. there is obviously a minimum required amount needed to offer any health benefits, which may vary from person to person. Importantly, it appears that you cannot get too much hydrogen, as it doesn’t build up in your system.—you just exhale it out.  In many cases there is a clear dose-dependent effect, meaning the more hydrogen the better or greater the effect. There are also many anecdotal reports that suggest that consuming more hydrogen may offer even more benefits. But more research needs to be done in this area.

Is hydrogen safe?

Yes. Hydrogen gas has been shown to be very safe at concentrations hundreds of times higher than what is being used for therapy.  Here are a few examples:

Hydrogen’s safety was first shown in the late 1800s, where hydrogen gas was used to locate gunshot wounds in the intestines. The reports showed that there were never any toxic effects or irritation to even the most sensitive tissues.

Another good example of its safety is that hydrogen gas has been used in deep sea diving since 1943 (at very high concentrations) to prevent decompression sickness. Studies have shown no toxic effects from hydrogen when at very high levels and pressures of 98.87% H2 and 1.26% O2 at 19.1 atm.

Furthermore, hydrogen gas is natural to the body because after a fiber-rich meal, our gut bacteria can produce liters of hydrogen on a daily basis (which is yet another benefit from eating fruits and vegetables).

In short, hydrogen gas is very natural to our bodies, not like  a foreign or alien substance that can only be synthesized in a chemistry lab.

When was hydrogen’s therapeutic benefits first discovered?

The earliest account of hydrogen gas having medicinal properties was in 1798, for things like inflammation. But, it didn’t become a popular topic among scientists until 2007, when an article about the benefits of hydrogen was published in the prestigious journal of Nature Medicine by Dr. Ohta’s group.

I heard that drinking alkaline water can neutralize excess acid.

Alkaline water is not a buffer and has low alkalinity. As such, it cannot neutralize very much acid. Many people have seen that just a small amount of soda can easily lower the pH of a gallon of alkaline water. To help put this into perspective, consider that 1 tsp of baking soda (sodium bicarbonate) can neutralize the same amount of acid as 10,000 liters of alkaline water at a pH of 10.  This is a primary reason why medical professionals have been skepticalabout “alkaline ionized water”. It simply wasn’t known that the benefit of this water is attributed to the dissolved hydrogen gas until around 2007.

I heard that “every sick person as an acidic blood pH”. Is this true?

Healthy blood pH varies between 7.35 to 7.45. Blood pH is tightly regulated. In physiology, if someone has a blood pH of 7.1 they are said to have acidosis even though 7.1 is actually alkaline according to the pH scale.  Very rarely do people ever get truly acidic blood (pH<7.0). If the blood pH drops below 7, the body will not survive very long. Therefore, virtually every sick person actually has an alkaline blood pH even though some may have acidosis.  Similarly, some diseases can actually cause alkalosis (elevated blood pH).  It is the disease that causes the changes in blood pH, as opposed to the changes in blood pH  causing the disease. Of course, a low blood pH can cause serious damage to the body and needs to be quickly corrected.

I heard that Dr. Otto Warburg won the Noble Prize for proving that “the the root cause of all cancer is too much acidity in the body and low oxygen levels”. Is this true?

No, it is not. Dr. Otto Warburg did do some cancer research and did make the simple observation that once a cell becomes cancerous, it relies upon glycolysis for its energy resulting in a higher production of acid. But, he did NOT receive the Noble Prize for proving that cancer can’t survive without adequate oxygen or in an alkaline pH. In fact, his work shows that cancer thrives just as well in an oxygenated environment that is alkaline as it does under hypoxic/anaerobic conditions. In 1931, Otto Warburg received the noble prize for his “discovery of the nature and mode of action of the respiratory enzyme” now known as cytochrome oxidase, which transfers electrons to oxygen during aerobic metabolism. In 1944, he was nominated for a second Nobel prize for his discovery and work on flavoproteins used for dehydrogenation reactions with their coenzymes.


Is it okay to take large amount of hydrogen through hydrogen water?

Unlike oxygen which triggers an reaction of oxidation, intake of hydrogen is beneficial. Because hydrogen doesn’t diffuse in the body, extra hydrogen becomes gas and is discharged by exhalation. Even you have lots of hydrogen, it is discharged through urine and sweat.

What’s the taste of the hydrogen water?

Hydrogen water is odorless and colorless and doesn’t have any taste. But because of hydrogen rich water has smaller clusters it is much softer and easy to swallow.

What is expiration date of hydrogen water?

It is the best to drink hydrogen rich water right after preparation unless it is special hydrogen water machine which keeps hydrogen in the water for long time.  Hydrogen is very light, it can disappear in the air easily. So it’s good to drink within few minutes after preparation of hydrogen rich water.

Can you use hydrogen water in your cooking?

If you place food ingredients in the hydrogen water, remained agricultural chemicals disappear rapidly. It is more delicious when you cook with the hydrogen water. You can cook the brown rice with hydrogen water for shorter time by penetrating of hydrogen. You can use in the various cooking. The hydrogen water is boiled faster than the general water.

Is hydrogen water safe for the pregnant women and babies?

Hydrogen water is the beneficial water contained plentiful dissolved hydrogen. Anybody can drink it safely. Your body will be purified, your immunity boosted and strengthens.

What is the appropriate or maximum amount of hydrogen rich water need to be consumed?

Recommended adult hydrogen rich water consumption is about 1~2L per day. Hydrogen-dissolved water is completely harmless to your body, so that there is no precautions you need to be aware of.

Can I boil hydrogen-dissolved water?

Hydrogen (H2) tends to evaporate quickly to the air when it is boiled. It easily starts evaporating when temperature of water reaches 40C.

I frequently release large amounts of urine after drinking hydrogen rich water.

The water is easily digested and absorbed, since it is composed of smaller particles compared to ordinary purified or drinking water. Therefore, you could experience frequent and large amounts of urination.