Pros and Cons: Is Reverse Osmosis Water Good For You?

By Last Updated: July 3rd, 202415.4 min readViews: 57

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a plumber is talking to a customer about why reverse osmosis water is healthy to drink
Table of contents
About the Author: Daryl Stubbs
Daryl Stubbs
Daryl is the owner of Sync Therapy. He's had over 11+ years in the health and wellness industry. Daryl's an award winning massage therapist, athletic therapist, and holistic nutritionist. During his time as the editor of Sync Therapy, he's developed a deep technical knowledge and practical experience with red light therapy, molecular hydrogen, probiotics, and gut health. Daryl loves to educate others through blog posts, reviews, and the latest science tactics. Daryl is a published author about Red light therapy on Amazon. Daryl is an avid soccer and baseball player, enjoys hiking in the mountains, and believes we have much to enjoy and learn from each other
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The debate on whether reverse osmosis water is beneficial hinges on several critical aspects, including its impact on the body’s intake of vitamins and minerals. While reverse osmosis systems efficiently remove harmful chemicals and reduce the risk of health issues related to contaminated water, they also strip away essential minerals from water. The Water Quality Association acknowledges the effectiveness of reverse osmosis in purifying water but also points to the resulting demineralized water as a potential concern for world health.Considering the essential elements removed during the filtration process, the absence of minerals in your water can be somewhat mitigated by a balanced intake of foods we eat. However, the loss of these beneficial minerals raises concerns about the long-term risk of vitamin and mineral deficiencies but most reverse osmosis water systems offer remineralization filter. It’s a complex trade-off between eliminating contaminants for safety and potentially reducing the intake of minerals deemed vital for health.

Key TakeAway Is Reverse Osmosis Water Good For You?

Reverse osmosis (RO) water is generally safe for kidney health and can even be beneficial by removing harmful contaminants and impurities, thus reducing the strain on kidneys.

While concerns exist about the potential negative effects of demineralized water on kidney function, particularly with long-term exclusive consumption, healthy kidneys can effectively regulate mineral balance.

Individuals with pre-existing kidney conditions should consult a healthcare professional before relying solely on RO water.

RO water offers several benefits, including the removal of up to 99% of contaminants, improved taste and odor, and reduced risk of waterborne diseases.

It is particularly effective in removing heavy metals, pesticides, and other harmful substances, making it beneficial for those with compromised immune systems or specific health concerns.

While RO water is generally safe, potential health risks such as mineral deficiencies can occur if it is the sole source of hydration.

These risks can be mitigated by maintaining a balanced diet that includes essential minerals and using RO systems with remineralization stages.

Proper maintenance of the RO system is crucial to ensure safety and prevent bacterial growth and contamination.

a plumber is talking to a customer about why reverse osmosis water is healthy to drink

Exploring the Basics of Reverse Osmosis Water

Reverse osmosis water represents a significant advancement in water purification technology, offering a solution to remove a wide array of contaminants.

By passing through a sophisticated filtration system, it ensures the removal of harmful chemicals, thereby enhancing water quality.

However, this process also removes vitamins and minerals, which are essential elements for health.

The Water Quality Association notes that while the water quality is significantly improved, the absence of minerals from water necessitates a balanced diet to compensate for this loss.

Understanding Reverse Osmosis Filtration

At its core, drinking reverse osmosis water is about making an informed choice regarding water consumption.

When integrated with a balanced diet, the absence of minerals in the water can be addressed through other nutritional sources.

This approach ensures that individuals enjoy the benefits of purified water without compromising their intake of essential nutrients.


Reverse osmosis filtration systems offer unparalleled benefits in terms of water purity. They are capable of removing a vast array of contaminants that other filtration methods might leave behind.

This makes reverse osmosis water an excellent choice for individuals concerned about the quality of their drinking water. Furthermore, these systems provide peace of mind by ensuring that the water is free from potentially harmful substances.


Despite its effectiveness in purifying water, reverse osmosis systems have their drawbacks.

The process is water-intensive, often wasting a significant amount of water for every gallon purified.

Additionally, users may experience a noticeable drop in water pressure, and the absence of essential minerals in the resulting water is a concern that cannot be overlooked. These factors contribute to the ongoing debate regarding the overall benefits of reverse osmosis water.

How Does Reverse Osmosis Filtration Work?

The reverse osmosis process employs a semi-permeable membrane to filter out contaminants from water. This membrane, designed with tiny pores, allows only water molecules to pass through while blocking dissolved substances present in water.

The operation requires a pressure of about 45 psi to overcome the natural osmotic pressure of brackish water, ensuring that only purified water reaches the other side of the membrane.

This method effectively removes a wide range of contaminants, including beneficial minerals, ensuring the water is safe for consumption.

The Science Behind the Process

Understanding the science behind reverse osmosis involves recognizing how the semi-permeable membrane functions. This membrane’s tiny pores are critical in the process, allowing water molecules to pass while excluding larger molecules of dissolved substances.

The efficiency of this system is further enhanced by the application of pressure, typically around 45 psi, which ensures that water molecules can move against the concentration gradient of dissolved substances.

This process results in highly purified water, free from both harmful and beneficial dissolved minerals.

a plumber giving a presentation on if ro water is beneficial

The Health Impacts of Reverse Osmosis Water

The health impacts of reverse osmosis water are multifaceted. On one hand, the Water Quality Association highlights its capability to significantly reduce harmful chemicals, thereby safeguarding against health issues linked to contaminated water sources.

On the other hand, the removal of vitamins and minerals during the filtration process raises questions about the water’s nutritional value. Essential elements, beneficial for health, are also stripped away, necessitating a balanced dietary intake to compensate for these losses.

Benefits of Reverse Osmosis Water

Reverse osmosis water offers numerous health benefits. RO systems are among the most effective methods of water purification, capable of removing a wide range of chemical contaminants and ensuring the water is safe to drink. This process also offers an alternative to desalinate seawater, providing a vital resource in areas with limited freshwater supplies.

The filtration process, including the use of a semi-permeable membrane, ensures that filtered water is of high quality, making it great for cooking and enhancing the taste of coffee and tea.

Provides Better Water for Cooking

Utilizing RO systems for cooking water can significantly improve the quality of food and beverages. The filtration process removes impurities that can affect the taste and appearance of cooked foods, making reverse osmosis water a preferred choice for culinary applications.

This superior water quality ensures that flavors are more pronounced and true to their natural taste, offering a noticeable difference in the preparation of meals and beverages.

A Safer Alternative to Bottled Water

Reverse osmosis water presents a safer and more environmentally friendly alternative to bottled water. By reducing reliance on plastic bottles, individuals can minimize their environmental footprint while ensuring access to clean and safe drinking water.

The widespread use of plastic water bottles contributes significantly to environmental pollution, making the switch to RO-filtered water not only a health-conscious choice but also a step towards sustainable living.

Does Reverse Osmosis Remove Beneficial Minerals?

Yes, the reverse osmosis process does remove beneficial minerals along with contaminants, raising concerns about the nutritional completeness of the water.

To address the concern of mineral loss in RO-treated water, some RO systems offer additional stages or filters that reintroduce minerals back into the water after the initial filtration process. These can include remineralization filters or alkaline filters, which add minerals and adjust the pH of the RO water to make it more alkaline

The Debate on Demineralized Water

The debate on demineralized water centers on the balance between removing harmful contaminants and retaining beneficial minerals.

While reverse osmosis effectively purifies water, the resulting demineralized water lacks essential minerals, such as calcium and magnesium, which are vital for health.

This has sparked a discussion on the need to find ways to reintroduce these minerals or ensure they are consumed through other dietary means.

a plumber going over a healthy checklist for reverse osmosis water with the new customer

Environmental and Practical Considerations

When considering reverse osmosis, it’s essential to weigh both environmental and practical concerns. The process, while providing access to purified water, also entails considerations regarding water wastage and the environmental impact of disposing of filters.

Reverse Osmosis Filters and Environmental Sustainability

From an environmental perspective, reverse osmosis filters play a complex role. While they significantly reduce the need for bottled water, thereby decreasing plastic waste, the filters themselves and the reverse osmosis membrane can contribute to environmental issues if not properly disposed of.

Additionally, the process involves the use of a water softener and volatile organic compounds, which have their own environmental impacts.


Reverse osmosis water is renowned for its purity, offering a level of cleanliness that surpasses most other filtration methods.

It effectively removes a wide array of contaminants, including volatile organic compounds, ensuring that the water you drink is free from harmful substances. Additionally, reverse osmosis systems can act as a water softener, improving the taste and quality of household water. This dual function makes it an attractive option for those seeking both purified and softened water from a single system.


While reverse osmosis systems are effective at purifying water, they are not without drawbacks. The process results in a significant amount of water waste, with only a fraction of the input water emerging as purified.

For every gallon of filtered water, several gallons may be wasted.

Moreover, these systems can strip water of beneficial minerals, leading to demineralized water that some experts believe could affect health negatively.

Additionally, the installation and maintenance of RO systems can be more complex and costly compared to simpler filtration methods.

a plumber going over a checklist of the safety of ro watrr

Is Reverse Osmosis Water Economically Viable?

Assessing the economic viability of reverse osmosis water involves considering initial setup costs against long-term benefits.

While the upfront expense may be higher than other filtration methods, the savings on bottled water and the extended lifespan of household appliances due to softer water can make it a cost-effective choice in the long run.

Initial Costs vs. Long-term Savings

The initial installation of a reverse osmosis system can be a significant investment, but it’s important to weigh this against the long-term savings. These systems can last for many years with proper maintenance, reducing the need to purchase bottled water.

The initial cost of a undersink reverse osmosis system usually pays itself off in a few months.

Over time, the savings from not buying bottles of water can offset the upfront costs. Additionally, the benefit of having access to purified water at home can also contribute to reduced expenditures on beverages, further enhancing the system’s economic viability.

Comparison with Bottled Water

When comparing reverse osmosis water to bottled water, the advantages extend beyond health and taste. Economically, investing in a reverse osmosis system can lead to substantial savings over time.

The cost per gallon of RO water is significantly lower than the price of a bottle of water, making it a more affordable option for consistent access to purified water.

Moreover, it eliminates the environmental impact associated with the production and disposal of plastic bottles, offering a sustainable alternative to bottled water.

a plumber goign over the side effects of reverse osmosis water units

The Pros and Cons of Reverse Osmosis Filtration

Reverse osmosis filtration offers a highly effective way to purify household water, removing a vast array of contaminants.

However, the process also has its downsides, including water waste and the potential removal of beneficial minerals.

You can get the benefits of RO water with a top rated ro system, either for under the sink or on your countertop.

Advantages of Using Reverse Osmosis Filters

These systems are adept at removing volatile organic compounds and can serve as an efficient water softener, enhancing the quality of household water.

Filters the Most Contaminants

Reverse osmosis filters are among the most effective means of purifying water, capable of removing up to 99% of contaminants.

This includes a broad spectrum of pollutants, from common chemicals to more dangerous substances like lead and arsenic, ensuring that the water is safe to drink.

Reverse osmosis can remove fluoride too.

More Convenient Than Pitchers

Compared to pitcher filters, reverse osmosis systems offer a continuous supply of purified water directly from the tap.

This convenience means there’s no need to refill a container or wait for water to slowly filter through a pitcher, making it a more practical solution for daily water consumption needs.

Disadvantages of Reverse Osmosis Filters

The main drawbacks of reverse osmosis filters include water waste, a noticeable drop in water pressure, and the removal of essential minerals from the water.

More Water Wasted

RO filters can waste a considerable amount of water. For every gallon of purified water produced, several gallons may be discharged as waste. This inefficiency is a significant concern in areas where water conservation is crucial.

Some Noticeable Pressure Drop

Users may experience a noticeable drop in water pressure in their household water supply as a result of the RO filtration process. This can affect the performance of water-using appliances and reduce the overall convenience of the system.

Loss of Essential Minerals

Another concern with reverse osmosis filtration is the removal of beneficial minerals. This process can strip water of calcium, magnesium, and other minerals that are essential for health, potentially leading to demineralized water that could have a negative impact on nutritional intake.

a plumber is showing a pros and cons list for reverse osmosis

Alternatives to Reverse Osmosis Filtration

Considering the drawbacks of reverse osmosis, exploring alternative filtration methods is worthwhile. Options such as activated carbon filters offer a more environmentally friendly approach to purifying water, with less water waste and the preservation of essential minerals. These alternatives can provide safe, purified water without the downsides associated with reverse osmosis, making them viable options for those concerned about water waste and mineral loss.

Exploring Other Water Filtration Solutions

There are several effective alternatives to reverse osmosis filtration that are worth considering, each with its own set of advantages and limitations.


The reverse osmosis process is known for providing filtered water that is free from chemical contaminants, making it one of the most effective methods of water purification.

By using a semi-permeable membrane, it can remove impurities and produce great-tasting water, which is better for cooking and is a safer alternative to plastic bottles.

Additionally, reverse osmosis to desalinate seawater offers a solution to water scarcity in many regions.


Despite its effectiveness, the reverse osmosis process has its drawbacks. It requires pressurized water at about 45 psi to function, leading to a significant amount of water wastage compared to the amount of filtered water produced.

Also, the filtration method removes beneficial minerals from your water, which could result in a lack of minerals in your diet. Furthermore, the initial cost and the need for professional maintenance can be high.

a customer is concerned if there's any side effects of drinking ro water to her kidneys

Is Reverse Osmosis Water Bad For Kidneys?

No, reverse osmosis water isn’t bad for the kidneys. RO water can be beneficial for kidney health by reducing the risk of kidney stones and ensuring proper hydration.

However, it is essential to consider the potential drawbacks, such as mineral deficiency and acidity. By understanding these factors and taking steps to address them, individuals can make informed decisions about their water choices and maintain optimal kidney health.

The Benefits of RO Water for Kidney Health

  • Reduced Risk of Kidney Stones: RO water is effective in reducing the risk of kidney stones by removing impurities that can contribute to their formation.
  • Improved Hydration: Proper hydration is crucial for kidney function, and RO water can help ensure adequate hydration.

Potential Drawbacks of RO Water for Kidney Health

  • Mineral Deficiency: RO water can be deficient in essential minerals like calcium and magnesium, which are important for overall health, including kidney function.
  • Acidity: RO water can be slightly acidic, which may lead to concerns about its impact on kidney health, although this is still a topic of debate.

Separating Fact from Fiction

  • Mineral Deficiency: While RO water may lack minerals, a well-balanced diet can provide adequate amounts of these essential nutrients.
  • Acidity: The acidity of RO water is generally not a significant concern, as the human body is capable of regulating pH levels.
  • Remineralization: Some RO systems include additional stages to reintroduce minerals, addressing concerns about mineral deficiency

a plumber talking about the benefits of drinking ro water for his customers

Making an Informed Decision: Is Reverse Osmosis Worth It?

When considering whether reverse osmosis is the right choice, it’s essential to weigh the health benefits against the disadvantages of reverse osmosis, such as the potential lack of minerals and the environmental impact of wasted water.

Comparing it with other methods of water purification on efficacy in removing contaminants and overall health and environmental impact will help in making an informed decision. The balance between cost, convenience, and the quality of filtered water should guide your choice.

Comparing Reverse Osmosis with Other Water Purification Methods

To decide, compare reverse osmosis with alternatives on key factors.

Efficacy in Removing Contaminants

The reverse osmosis process stands out for its ability to remove a wide range of contaminants. Unlike simple filtration methods, reverse osmosis uses a semi-permeable membrane that filters out much smaller particles, effectively reducing the presence of chemical contaminants. This makes it superior in ensuring the safety and purity of drinking water compared to many other filtration techniques.

Overall Health and Environmental Impact

While reverse osmosis provides pure water, it also removes healthy minerals, potentially affecting water’s nutritional value.

The process is resource-intensive, requiring more water and energy than most other household reverse osmosis systems.

Additionally, the plastic bottles discarded from non-RO systems contribute significantly to environmental pollution. Therefore, the sustainability of reverse osmosis water filters is a concern.

The Final Verdict on Reverse Osmosis Water

Considering its ability to produce contaminant-free water, reverse osmosis is a compelling option for many. However, the environmental impact, including water waste and the need for professional maintenance, alongside the removal of beneficial minerals from your water, presents challenges.

Balancing these factors is crucial for determining its suitability for your health and lifestyle.

Is Reverse Osmosis Water Good for Your Health and Lifestyle?

Reverse osmosis water offers a high level of purification, reducing the risk of consuming contaminated water. However, the filtration method’s removal of essential minerals and the environmental considerations of water and energy use may outweigh the health benefits for some. When choosing, consider the balance between the purity of water, the potential health effects of a lack of minerals, and the environmental impact. Alternatives like alkaline water might provide a compromise between mineral content and purification.

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