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How Long Does Hydrogen Water Last After You Make It?

How Long Does Hydrogen Water Last After You Make It?

How Long Does Hydrogen Water Last After You Make It?

by Sarika Jassal 31 Jul 2025 0 comments

In recent years, hydrogen water has gained popularity in the wellness industry. Hydrogen water is also known as hydrogen-rich or hydrogenated water. It is a regular water infused with molecular hydrogen gas (H2).   

Molecular hydrogen is the smallest and lightest molecule in the universe. Unlike regular H₂O, which has two hydrogen atoms bonded to an oxygen atom, hydrogen water contains free hydrogen molecules. These free hydrogen molecules act as antioxidants, helping neutralize harmful free radicals in the body and protecting cells from damage.   

But the question arises:  

How long does hydrogen water last, and why do people drink hydrogen water?  

Here's a comprehensive guide that will help you start from scratch by exploring the science behind hydrogen water and its potential benefits. You will also find out how long hydrogen water stays hydrogenated. 

Why do People Drink Hydrogen Water? 

Hydrogen water is known for its exceptional properties, such as: 

  • Antioxidant 

  • Anti-inflammatory 

  • Anti-apoptotic (preventing or blocking cell death (apoptosis))  

In hydrogen water, the element "Hydrogen" is the lightest element and usually comes as a pair: two hydrogen atoms joined together, called H2.  

This form of hydrogen is stable, which means it doesn't easily break apart or cause unwanted reactions. It is so small and light that it can move quickly through your body and even reach deep into your cells, where it helps protect your energy.  

Hydrogen water is known for its potential benefits. Let's find out! 

What are the Benefits of Hydrogen Water? 

  1. Supports Blood Sugar 

Researchers conducted a clinical trial with 30 patients who had type 2 diabetes or early signs of diabetes. They gave these participants hydrogen-rich water to drink every day for 8 weeks 

The results showed that drinking Hydrogen water helped control their blood sugar levels and also improved their triglyceride (fat) levels. 

  1. Boost Gut Health 

Did you know that a happy gut means a healthier you?  

A study conducted on 20 healthy adults who drank hydrogen-rich water daily for a period of time. revealed that hydrogen water helped increase the number of beneficial gut bacteria and reduced some harmful bacteria.  

It shows that hydrogen water helps to keep your digestive system balanced and promotes better overall gut health. 

  1. Improves Muscle Recovery 

A narrative review revealed that drinking hydrogen-rich water before or during exercise helps reduce fatigue, improve endurance, and lower muscle damage and inflammation after intense workouts.  

  1. Protects Skin Cells from Damage 

The researchers conducted an experimental study using human skin cells called keratinocytes in a lab setting.  

They exposed the cells to dehydration and observed signs of oxidative stress and cell damage. However, when they treated the cells with hydrogen-rich water, they successfully reduced the oxidative stress and prevented cell death. 

  1. Reduces Anxiety and Enhances Mood 

The study involved 26 healthy adults and showed that those who consumed hydrogen water experienced lower levels of anxiety and better mood compared to the placebo group. Additionally, their autonomic nerve function improved, indicating a better ability to manage stress in daily life.  

These are the exceptional health benefits of hydrogen water, but how long does hydrogen water last? Let's dive in! 

How Long Does Hydrogen Water Last? 

Hydrogen water begins to escape from the water after production, but the rate of loss depends upon the container you are using:  

An experimental study published in the "Japanese Journal of Pharmaceutical Health Care and Sciences" where researchers directly measured hydrogen concentration changes over time in different containers, including aluminum bottles, plastic bottles (like regular water bottles, and glass bottles.   

The study revealed that hydrogen stayed in the water for a longer time in aluminum bottles. Even after a few hours, it lost very little hydrogen. Meanwhile, hydrogen escaped very quickly in plastic and glass bottles.  

Let’s summarize how hydrogen concentration drops over time in different containers: 

  • Aluminum Bottle: Retains most hydrogen even after 24 hours. 

  • Glass Bottle: Hydrogen drops sharply within a few hours. 

  • Plastic Bottle: Loses hydrogen very quickly; most is gone within a day. 

In addition to the type of container, temperature can also affect the stability and longevity of hydrogen water: 

Higher temperatures may cause hydrogen to escape faster from water. So, if you leave hydrogen water in a hot environment, it will lose its hydrogen much more quickly. And colder temperatures help keep hydrogen stable for a longer time.  

What are the Best Ways to Store Hydrogen Water? 

  • The best way to store hydrogen water is in airtight or non-permeable containers, including aluminum bottles. 

  • Do not store the hydrogen water in a hot place; store it in a cool place, such as a refrigerator. 

  • Avoid shaking or opening frequently. 

Conclusion 

Hydrogen water offers some amazing health benefits, but it doesn’t stay "hydrogen-rich" forever. Once it's made, hydrogen gas starts to slowly escape; especially if it’s stored in regular plastic or glass bottles. Using airtight aluminum bottles and keeping the water cool can help maintain the hydrogen for longer. 

 So, if you want to get the most out of your hydrogen water, drink it fresh, store it properly, and keep it away from heat. Cheers to better health, one sip at a time! 

Disclaimer: This blog is for informational purposes only and does not provide medical advice. Always consult a healthcare professional before making changes to your diet or health routine. Individual results may vary.  

Frequently Asked Questions (FAQs) 

Q1. How long does hydrogen water stay ionized? 

Hydrogen water slowly loses its hydrogen gas over time and can lose most of it within 24 hours if not stored properly, especially in plastic or glass bottles. 

Q2. Is hydrogen water good for kidneys? 

Yes, hydrogen water’s antioxidant and anti-inflammatory properties may help support overall kidney health by reducing oxidative stress. 

Q3. Which is better, alkaline or hydrogen water? 

Hydrogen water is considered better because it offers proven antioxidant benefits that protect cells, while alkaline water mainly changes the pH without strong scientific backing. 

Q4. Can hydrogen water be refrigerated? 

Yes! Refrigerating hydrogen water helps it stay hydrogen-rich for longer by slowing down the escape of hydrogen gas.  

References: 

  • Yaghoubi, Atieh, Saman Soleimanpour, and Majid Khazaei. "Hydrogen-Rich Water Using as a Modulator of Gut Microbiota and Managing the Inflammatory Bowel Disease." Molecular Hydrogen in Health and Disease. Cham: Springer Nature Switzerland, 2024. 261-286. 

  • Zhou, Qiaorui, et al. "Hydrogen-Rich Water to Enhance Exercise Performance: A Review of Effects and Mechanisms." Metabolites 14.10 (2024): 537. 

  • Kajiyama, Sizuo, et al. "Supplementation of hydrogen-rich water improves lipid and glucose metabolism in patients with type 2 diabetes or impaired glucose tolerance." Nutrition Research 28.3 (2008): 137-143. 

  • Xiao, Li, and Nobuhiko Miwa. "Hydrogen-rich water prevents dehydration-induced cellular oxidative stress and cell death in human skin keratinocytes." Hydrogen 3.1 (2022): 62-71. 

  • Mizuno, Kei, et al. "Hydrogen-rich water for improvement of mood, anxiety, and autonomic nerve function in daily life." Medical gas research 7.4 (2017): 247-255. 

  • Sonobe, Takahito, Hideto Ariumi, and Yuji Yoshiyama. "Effect of Temperature on Changes in the Concentration of H2 in Commercial Hydrogen Water." Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences) 45.6 (2019): 344-349. 

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