Is Purified Water Bad for You? Uncovering the Truth

In recent years, there has been increasing interest in the quality of the water you drink. With various water sources available, it’s natural to wonder if purified water is bad for you. In this article, we’ll explore the safety of purified water and its potential drawbacks, giving you valuable information to make an informed decision about the water you consume.

Purified water undergoes a filtration process to remove contaminants and impurities, resulting in water that is generally safer to drink than tap water. While it’s true that some purification systems may not filter out certain chemicals like pesticides, research suggests that purified water is still largely free of contaminants. However, it’s important to acknowledge that water quality can vary depending on where you live and the specific purification methods used.

To ensure you’re drinking safe water, you might want to consider additional factors such as cost, environmental impact, and taste. While purified water is often the safest option for human consumption, it’s prudent to remain informed about water quality in your area and choose the best option that aligns with your preferences and accessibility.

What Is Purified Water?

Is Purified Water Bad for You

Purified water has its roots in the practice of water treatment, which dates back to ancient civilizations. The goal has always been to remove contaminants and improve the quality of water for drinking, cooking, and other household purposes. In modern times, purified water has become increasingly popular as people seek cleaner, safer alternatives to tap water.

Purified Water Process

To create purified water, tap water undergoes a rigorous filtration process that removes impurities and contaminants. The most common methods include reverse osmosis, activated carbon filtering, and ultraviolet disinfection. Reverse osmosis forces water through a semi-permeable membrane, while activated carbon filtering uses carbon to remove organic contaminants. Ultraviolet disinfection exposes water to UV light, which kills bacteria and viruses.

You could opt for a home filtration system to remove contaminants from tap water. This may involve a simple water filter that is installed in your home, which will supply you with purified water for drinking and cooking purposes.

Remember that each filtration method has its own benefits and drawbacks, so it’s essential to choose the one that best meets your needs and preferences. Keep in mind that water quality can vary depending on where you live, making it crucial to research which contaminants are prevalent in your area and select a system that effectively addresses these issues.

Market Forms

You can find purified water in various forms on the market. They are typically labeled as “purified,” “filtered,” or “treated” water. You may also see specific processes, such as “reverse osmosis” or “UV treated,” mentioned on product labels. These forms can be found in bottled water products or home water filtration systems, giving you options to suit your needs.

Nutrition Information

While purified water is an essential component of a healthy lifestyle and can help maintain proper hydration, it does not contain any significant nutrients such as carbohydrates, proteins, fats, vitamins, or minerals.

In other words, purified water does not have any nutritional value in terms of providing essential nutrients required by the body to function properly. Its primary function is to provide hydration and help regulate body temperature, among other functions.

In comparison to tap water or spring water, purified water may offer some advantages. For one, purified water may have a more consistent taste and fewer contaminants, ensuring that you’re drinking safe water regardless of the quality of your local tap water or spring water sources.

Mineral content

Purified water is water that has been processed to remove contaminants like bacteria, viruses, chemical pollutants, and minerals like lead and copper. However, the purification process can vary, and some beneficial minerals may remain such as:

  • Calcium: Calcium is an essential mineral for building and maintaining strong bones and teeth. It’s also important for muscle function, nerve function, and blood clotting. In purified water, some calcium may be present as the purification process usually preserves a small amount of beneficial minerals.
  • Magnesium: Another important mineral, magnesium, plays a crucial role in regulating muscle and nerve function, blood sugar levels, and blood pressure. Like calcium, magnesium may also remain in purified water, depending on the purification techniques used.

These added minerals usually don’t cause any health concerns, but it’s essential to know what’s in your purified water.

Reverse osmosis and distillation are two common methods used to purify water, and both tend to remove minerals from water. As a result, purified water from these methods typically contains very low levels of minerals. However, some companies may add minerals back into purified water for taste or health purposes.

If no minerals are added back into purified water, it would likely contain trace amounts of minerals that are present in all water sources, such as calcium, magnesium, and potassium. However, the concentrations of these minerals would be very low. It’s important to note that purified water is generally not a significant source of minerals for the body, as it is typically consumed in small amounts.

These added minerals usually don’t cause any health concerns, but it’s essential to know what’s in your purified water.

Health Benefits

There are several health benefits to drinking purified water that you should consider. Here are the advantages of drinking purified water:

Maintains Proper Hydration Levels

Drinking purified water helps you stay properly hydrated, which is essential for many of your body’s functions. Proper hydration helps regulate body temperature, eliminate waste, and maintain energy levels.

Supports Digestive System

Purified water aids in breaking down the food you consume, helping your body absorb essential nutrients more effectively. It also helps facilitate regular bowel movements and prevent constipation.

Boosts Immune System

Drinking purified water may help boost your immune system by providing a cleaner source of hydration. This may allow your immune system to function optimally and better protect your body from various infections and diseases.

Pros and Cons

When it comes to purified water, there are several pros and cons to consider. Understanding these aspects can help you make an informed decision about whether purified water is right for you.


  • Safety: Purified water is generally safe to drink, as it undergoes processes to remove contaminants, such as bacteria, viruses, and chemicals.
  • Taste: Many people find that purified water has a better taste than tap water, especially if you live in an area with lower water standards.
  • Compliance with EPA Standards: Purified water typically meets strict Environmental Protection Agency (EPA) safety standards, ensuring its quality for consumption.


  • Cost: One of the disadvantages of purified water is its cost, as it can be more expensive than tap water.
  • Maintenance: If you opt for a water purification system at home, you will need to maintain and replace filters as required, which can be time-consuming and costly.
  • Environmental Impact: Producing and consuming purified bottled water contributes to plastic waste, which is harmful to the environment.

While purified water has several benefits, it also has some drawbacks for you to consider, such as cost, maintenance, and environmental impact.

Scientific Studies

Research found that purified water can be beneficial in removing contaminants that are sometimes found in tap water. The purification process effectively filters out particles and impurities like bacteria, viruses, chemical pollutants, and minerals such as lead and copper. As a result, you can benefit from a cleaner and safer drinking water source.

However, there is limited research on the long-term effects of drinking purified water. There are concers about the potential health risks from consuming water that has been stripped of vital minerals like calcium and magnesium through purification processes. Low levels of these essential minerals in your body can lead to various health issue.

It’s essential to understand that the quality of purified water can vary depending on the type of purification method used. Some common methods include:

  • Reverse osmosis
  • Distillation
  • Filtration through activated carbon

Each method has its pros and cons, and the choice depends on your specific needs and preferences. It’s crucial to research and compare the effectiveness of these different techniques to make an informed decision about the best options for your purified water needs.

What Do Health Experts Say

When it comes to purified water, health experts and regulatory agencies like the EPA and FDA have set guidelines and regulations to ensure its safety for consumption. Purified water undergoes filtration processes to remove impurities such as debris, microorganisms, and small substances like dirt and metal particles.

Purified water can come from groundwater or tap water and is typically subjected to additional filtration mechanisms, including carbon filters, reverse osmosis, and UV sterilization. This means that when you drink purified water, you are less likely to encounter contaminants or impurities that may be harmful to your health.

According to health experts, drinking purified water is generally safe as long as it complies with the established regulations and standards. The EPA sets federal standards for drinking water, while the FDA regulates bottled water with specific criteria.

Remember, it is essential for you to stay informed about the water quality in your area and ensure that your purified water source is up to the necessary standards. Additionally, it may be helpful to invest in a good home water filtration system if you plan to use tap water for your purified water supply.

Who Should Avoid It

While purified water is generally safe to drink, there are certain situations and individuals who may need to consider alternatives. This section will discuss who should avoid purified water and why.

For example, individuals with certain medical conditions may need to avoid purified water that has been treated with reverse osmosis or distillation, as these processes can remove minerals and electrolytes that are important for maintaining proper hydration and overall health. In these cases, mineral-rich bottled water or water with added electrolytes may be more appropriate.

Additionally, some people may have sensitivities or allergies to certain minerals or chemicals that are commonly found in purified water, such as chlorine or fluoride. In these cases, alternative sources of drinking water may be needed.

If you have a compromised immune system, you should be cautious with purified water. While purification processes remove most contaminants, they may not eliminate all potential pathogens. Specifically, people undergoing chemotherapy, individuals with HIV/AIDS, and organ transplant recipients should be cautious when choosing their water source. In these cases, it’s recommended to use a more rigorous purification method, such as distilled water or to consult a healthcare professional for guidance.

Environmental concerns may also lead you to consider other options besides purified water. The production and disposal of water purification systems and filters can contribute to environmental pollution. If conserving the environment is important to you, consider using a reusable water filter or exploring more sustainable water sources like spring or well water.

While purified water is safe for most people, it may not be suitable for everyone. Keep in mind your own health needs and environmental concerns when selecting the best water source for your needs.


If you’re considering alternatives to purified water, there are several options worth exploring. The most common types include spring water, distilled water, and bottled water. Additionally, you may choose to use water filters to improve your tap water quality.

Spring Water

Spring water is a popular choice due to its natural purity and taste. This water is sourced from underground springs and often contains beneficial minerals like calcium and magnesium. However, it’s crucial to check the quality of the source before opting for spring water, as contamination is still possible.

Distilled Water

Distilled water represents one of the purest forms of water available. It undergoes a process of distillation that removes almost all impurities, including minerals, bacteria, and other contaminants. Although distilled water may not have the same taste as other types of water, it’s an excellent option for specific applications like laboratory use or preparing infant formula.

Bottled Water

Bottled water is a convenient option for those on the go or in areas with low-quality tap water. It’s available in various forms, including spring, purified, or mineral water. However, there are concerns regarding the environmental impacts of bottled water, such as waste generation from plastic bottles. Moreover, not all bottled water may be free from contaminants, so it’s crucial to choose a reputable brand.

Use of water filters

Water filters can be a practical solution to improving the quality of your tap water. These devices work by removing contaminants like chlorine, lead, and bacteria, while preserving essential minerals. There are different types of water filters available, such as activated carbon, reverse osmosis, and ultraviolet purification systems. It’s vital to select a filter that best addresses your specific water quality concerns and to maintain the filter regularly for optimal performance.

When considering alternatives to purified water, it’s important to factor in your specific needs, water quality in your area, and personal preferences. By understanding the various options, you can make the best choice for you and your family.


In summary, drinking purified water is not bad for you. In fact, it is a safe choice as it is largely free of contaminants and meets strict safety standards. Purified water goes through a process to remove contaminants such as dirt and chemicals, making it safe for consumption.

However, be aware that some purification systems may not filter out certain chemicals like pesticides. Therefore, it’s important to research and choose a reliable purification system or opt for bottled purified water from a trusted source.

When selecting your drinking water, consider your preferences and accessibility. Both spring water and purified water are safe options, with the main difference being their sources and treatment processes. 

Remember to stay hydrated and make informed choices about the water you consume. By choosing purified water, you can ensure you’re drinking clean and safe water that is free of many potential contaminants.


Is purified water safe to drink?

Yes, purified water is safe to drink as it removes contaminants like bacteria and metals from tap water while maintaining beneficial minerals like calcium and magnesium. It’s a great option for people living in areas with poor water quality.

How does purified water compare to tap water?

Purified water undergoes a process to remove contaminants that can be found in tap water. Tap water quality varies depending on where you live, so purified water may reduce exposure to certain contaminants present in your area. The U.S. Environmental Protection Agency sets standards for tap water to make sure it’s safe to drink, but using a purification system like a Brita filter can give you additional peace of mind.

What’s the difference between spring water and purified water?

Both spring water and purified water meet strict safety standards and are safe to drink. Spring water comes from natural sources and contains some minerals, while purified water has gone through a purification process to remove contaminants. Your choice will depend on your preferences and accessibility.

Can purified water remove heavy metals?

Yes, purification systems like Brita filters can effectively remove heavy metals, such as lead and mercury, that may be present in tap water. These metals can be harmful if ingested in large amounts, so using a purification system can help reduce health risks associated with contaminated water.

How can I ensure the water I drink is of high quality?

You can check the quality of your tap water by contacting your local water supplier or reviewing their annual water quality report. If you’re concerned about potential contaminants, you can use a water purification system to further improve water quality. Make sure to maintain your purification system by regularly changing the filters and following the manufacturer’s guidelines for proper use.

Remember that when it comes to water quality and safety, it’s essential to stay informed, follow guidelines, and choose the best option for you and your family.


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  • Marixie Manarang, MT, undergrad MD

    Marixie Manarang is licensed Medical Laboratory Scientist and an undergraduate of Doctor of Medicine (MD). For one year, she completed her internship training in a government hospital, primarily catering to retired veterans and their dependents. Through her preceptorships in medical school, she gained exposure to patients from various medical departments. Marixie’s passion for writing stems from her excellent medical background, being a mother, and a strong desire to assist the elderly and others in need. Education: Our Lady of Fatima University Doctor of Medicine (MD), Doctor of Medicine (2012-2015), Angeles University Foundation Doctor of Medicine (MD), Doctor of Medicine (2009-2011), Angeles University Foundation Bachelors, Medical Technology (2004-2009)






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