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Top 19 Questions About Hydrogen Water

Hydrogen water is continuing to grow in popularity, but many people are still unfamiliar with what it is or the benefits it offers. Discover answers to some of the most frequently asked questions about hydrogen water, and get the information you need to make your own decision about hydrogen water!

Hydrogen water has been growing in popularity over the last few years, but even with its time in the spotlight, many people still have questions about what hydrogen water is, how it works, and more. Here, we are answering the most frequently asked questions about hydrogen water so that you can make your own well-informed and researched decision about if hydrogen water is right for you.

Simply put, hydrogen water is water that contains dissolved hydrogen gas (H2).

Hydrogen is known to have a variety of health benefits, including reducing oxidative stress (1). The body already produces hydrogen gas in the gut; however, many people’s guts are not working properly and not producing enough hydrogen to keep your body’s inner processes working properly (2) . Because of this, it can be helpful to supplement hydrogen to  improve our body’s normal amount. Drinking hydrogen water to provide your body with the right amount of hydrogen is like taking a multivitamin to give your body the nutrients and minerals it needs.

No. Hydrogen is a colorless, odorless, and tasteless gas, and adding hydrogen gas to water does not change the taste of the water. However, our Echo Water™ Machines use filtered water, which may end up giving the water a different taste. This is because the water we’re used to has chemicals, metals, and minerals that give it a taste. With Echo Hydrogen Water™, you’re getting pure, filtered water. This may taste different if you are not used to the clean taste.

Our Echo Water™ Machines run two streams of water through the machine. One stream is used to harvest the hydrogen gas through electrolysis, a process that shocks the water with electricity and separates the water molecule into hydrogen and oxygen gas.  In most cases, electrolysis changes the water’s pH, but our Echo Water™ Machines use proprietary technology to keep the water’s pH level the same. Once the water from the first stream is separated into hydrogen and oxygen, the hydrogen gas is dissolved into the second stream of water, which is what comes out of the machine’s faucet. This process ensures that the water you drink never touches the electrodes inside the Echo Water™ Machine, thus providing you with truly clean, titanium-free water.  


For our smaller machines, such as the Echo H2 Pitcher™ and Echo Go™, the water does not go through this two-stream process. However, it still undergoes electrolysis. As a result, the oxygen gas is still released, and the hydrogen gas is still dissolved into the water.

Your body naturally produces hydrogen, which works as a signal modulator to give direction to systems that are supposed to happen inside the body (3). If there is not enough hydrogen in the body, you have to take supplements to help make those systems work properly. By drinking hydrogen water, you can provide your body with the hydrogen it needs to naturally signal different systems to work properly.

Yes! Molecular hydrogen is very safe. Your body even produces it naturally! Hydrogen water specifically has been studied for hundreds of years with nearly 1,000 studies and articles to show that it is safe. In addition, the FDA says that hydrogen water is “generally regarded as safe” (GRAS) (4). This means that it is safe for human consumption, and it is not known to cause any harm.

While it is true that water contains hydrogen, it is chemically bound to oxygen to form the water molecule H2O. This is different from hydrogen gas, which has a molecular structure of just H2. Just like we need oxygen (O2) on its own to breathe, we need hydrogen on its own, separated from the water molecule, in order to experience its benefits as a selective antioxidant.

You can drink as much hydrogen water as you do regular water (but drink it in place of your regular water instead of doubling your water intake). You cannot drink too much hydrogen water. Your body will use the hydrogen it needs and get rid of what it doesn’t. 

Just drink hydrogen water like normal water!

No, you will not explode! While hydrogen gas is explosive and one of the most energy-dense molecules by mass, it is not explosive when it is dissolved in water. Even when airborne, hydrogen gas needs to be at a minimum of 4% concentration in order to be flammable (5). This level of concentration will not occur with hydrogen-rich water.

Water is necessary for life, and there are definitely some benefits to drinking filtered, mineral, or other types of water. However, regular water often contains a variety of contaminants, including chemicals, heavy metals, and pesticides. Filtered water gets rid of a lot of these contaminants, and mineral water contains key micronutrients that can benefit your health.  Our Echo Water™ Machines only use filtered water, which means you’re already getting cleaner water. Plus, our machines contain an additional filtration system to help remove even more impurities, helping you get the cleanest water possible. This on its own makes the water from the Echo Water™ Machines healthier because it doesn’t contain harmful contaminants. By adding hydrogen to water, however, you can experience a wider range of even greater health benefits, including reduced oxidative stress and inflammation (6). This benefit alone may  help with the therapy or prevention of many health issues like heart disease, diabetes, Alzheimer’s disease, and more (7,8,9).

There have been over 900 studies and articles outlining the benefits of hydrogen water. Some of the top benefits include: 

  • Improved mental clarity and cognitive function (10)
  • Reduced oxidative stress and free radicals (11)
  • Increased ability to prevent or regulate a variety of illnesses and diseases (12)
  • Increased energy (13)
  • Enhanced immune system function (14)
  • Decreased recovery time from cuts, bruises, and other damage (15)
  • Reduced allergies or allergy symptoms (16)

Echo Hydrogen Water™ has a neutral pH level, which means that it will not affect your medications. In fact, taking your medications with hydrogen water may increase your body’s ability to absorb your medication (17).

Because hydrogen is a gas, it does not stay in the water forever. In fact, it works very similarly to carbonated water and drinks. While hydrogen water is not fizzy like carbonated drinks are, it will go “flat” after a few hours as the hydrogen comes out of the water.  Dissolved hydrogen can stay in water for a minimum of several hours. This all depends on the surface area and temperature of the water, as well as whether or not the water is agitated or moved. In an open cup, dissolved hydrogen will stay in the water for three to five hours. If the hydrogen water is in a sealed container with no air space at the top, the hydrogen can last for as long as 10 days. Once the container is opened, however, the hydrogen gas will last for another three to five hours.

Simply put, no. Structured water is believed to be water whose molecular structure is how it is found in nature. This “natural” structure is said to be altered to form a hexagonal cluster of water molecules. This is simply a theory.

The idea that hydrogen gas offers a variety of health benefits is dated as far back as 1888, where it was accounted for aiding in wound healing (18). However, hydrogen didn’t capture the attention of scientists until 2007. It was this year that Dr. Ohta’s group published a paper about the benefits of hydrogen in Nature Medicine (19).

The idea of ingesting hydrogen gas is still a fairly new one to most of the world. However, the FDA has listed molecular hydrogen as “generally regarded as safe,” meaning that it is not known to cause harm to humans. In addition, there are over 900 studies and articles about the health benefits of hydrogen and hydrogen water. While further studies are still underway, there is plenty supporting the claim that hydrogen water is safe and can benefit your health.

No. The molecular makeup of water is H2O, and that of hydrogen peroxide is H2O2. Since we are adding extra hydrogen, not oxygen, to water, hydrogen water cannot make hydrogen peroxide. The dissolved hydrogen gas does not bond to or react with the water molecule, so it does not change the chemical makeup of the water.
While you can experience the benefits of hydrogen from either drinking or inhaling the gas, you can experience greater benefits when you drink it. Drinking hydrogen provides faster and more effective benefits. Plus, you can have hydrogen water in minutes, whereas most hydrogen inhalation treatments last 30 to 45 minutes.

We would not recommend replacing all of your vitamins and an antioxidant-rich diet with hydrogen water. Keeping your nutrition routine is important to make sure that you continue to get the nutrients and vitamins that your body needs. Adding hydrogen water to your routine will give you an extra health boost, but it is not intended to replace other vital supplements. 

The takeaway

Now that you have all of the answers to your hydrogen water questions, what are you waiting for? Get your own Echo Hydrogen Water™ Machine and become a happier, healthier you!

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