Home Blog Home and Wellness Can You Drink Distilled Water?

Can You Drink Distilled Water?

presso Dr. Jonathan Doyle - Updated December 24, 2024
In recent years, there’s been a growing interest in purified water, particularly among those who want to make sure the water they drink is as clean and safe as possible. But can you drink distilled water, and how does it compare to RO water?
In this blog, we’ll explore the differences between distilled water and RO water, their respective benefits, and whether drinking distilled water is a safe option for your health.

What Is Distilled Water?

To understand whether you can drink distilled water, it’s essential to first understand what distilled water is. Distilled water is a type of purified water that undergoes a process called distillation . During distillation, water is boiled to create steam, which is then condensed back into liquid form, leaving behind impurities such as minerals, salts, chemicals, and contaminants.
This process essentially removes any dissolved substances, making distilled water nearly free from minerals and other elements. As a result, distilled water is often seen as the purest form of water available for consumption.
distilled water

Can You Drink Distilled Water?

Drinking distilled water is generally safe for short-term consumption. The water is free from contaminants like bacteria, viruses, and harmful chemicals, which makes it safe in terms of safety and hygiene. However, because distilled water lacks essential minerals such as calcium, magnesium, and potassium, consuming it regularly may have some downsides.

The Potential Drawbacks of Drinking Distilled Water

While distilled water is safe to drink, it may not be the best choice for long-term hydration. Here’s why.

Lack of Essential Minerals

Unlike natural spring water or other sources of drinking water, distilled water does not contain minerals that are beneficial to your health. Over time, drinking water that lacks these minerals could lead to an imbalance in your electrolytes, potentially affecting your heart, muscles, and nerves.

Flat Taste

Some people find distilled water to have a flat or bland taste due to the absence of minerals. If you are someone who prefers water with a bit of flavor, you may find distilled water less appealing.
a woman is drinking water

Mineral Deficiency

While distilled water won’t significantly contribute to your daily mineral intake, relying solely on distilled water could lead to mineral deficiencies, especially if you’re not getting enough from other food or beverages.

The Role of Distilled Water in Everyday Life

Although drinking distilled water may not be the ideal choice for long-term hydration, it still has other important uses, especially in areas like medical practices, laboratories, and industrial applications, where purity is crucial.

Distilled Water vs RO Water: What’s the Difference?

The Filtration Process

  • Distilled Water: As mentioned, distillation involves boiling water to create steam and then condensing it back into liquid form. This process removes most impurities, including bacteria, viruses, and minerals.
  • RO Water: Reverse osmosis, uses a semipermeable membrane to remove contaminants from water. The water is forced through the membrane under pressure, which filters out impurities like chlorine, fluoride, heavy metals, and other dissolved solids. Unlike distillation, RO filtration doesn't involve boiling.
reverse osmosis water filtration process

Mineral Content

  • Distilled water. The distillation process removes most of the minerals from water, so distilled water is essentially free from nutrients such as calcium, magnesium, and sodium.
  • RO water. Reverse osmosis system also removes a significant amount of minerals, though the process can leave some behind, depending on the quality of the filtration system. Some RO systems include a postfilter or mineral cartridge to add back essential minerals like calcium and magnesium, which can make RO water taste better and provide some nutritional benefits.

Contaminant Removal

  • Distilled water. Distillation is effective at removing contaminants like chlorine, pesticides, bacteria, and viruses. However, some chemicals with a boiling point lower than water (like volatile organic compounds) may not be entirely removed.
  • RO water. Reverse osmosis removes a broader range of contaminants, including many chemicals that distillation might miss. It can effectively filter out heavy metals (like lead and mercury), chlorine, fluoride, and even some pharmaceuticals.
a girl is drinking water

Taste and Quality

  • Distilled water. The absence of minerals in distilled water makes it taste quite flat. However, for applications requiring extreme purity, such as in medical equipment or laboratory testing, this lack of taste is considered an advantage.
  • RO water. RO water is often considered tastier than distilled water because it can retain some of the natural minerals, especially if the system includes a remineralization filter. The taste is usually more pleasant, which makes it a popular choice for everyday drinking.

Why Choose Reverse Osmosis?

Now that we understand the key differences between distilled water and RO water, let’s take a look at the benefits of drinking RO water.

Better Taste

Many people find RO water to taste better than distilled water because it retains a small amount of beneficial minerals. The taste of water can significantly impact how much you drink, and people tend to drink more water when it tastes good. As a result, choosing RO water could be a better option for hydration.
a girl gives a thumbs up because the water tastes good

Reducing Contaminants for Safer Drinking Water

The RO system is capable of reducing a wide range of contaminants, including bacteria, viruses, chlorine, fluoride, heavy metals (like lead), and more. This makes RO water highly effective at improving the purity and safety of your drinking water.

Health Benefits of Essential Minerals

Unlike distilled water, RO water can retain or even be enriched with essential minerals like calcium and magnesium, which contribute to your overall health. These minerals support bone health, muscle function, and cardiovascular health. By drinking RO water, you’re not only ensuring that your water is clean but also that it provides the nutrients that your body needs.

Affordable and Accessible

RO filtration systems are commonly available for home use, making it easy for you to have access to clean, great-tasting water on demand. With proper maintenance, an RO system can provide a continuous supply of high-quality water at a fraction of the cost of bottled water.
The Waterdrop G3P800 RO system filters 800 gallons of water per day, providing fast, pure, and great-tasting water. Its 9-stage filtration and UV sterilization can effectively reduce harmful contaminants, ensuring clean and safe water.

Conclusion: Which Water Is Best for You?

In conclusion, while drinking distilled water is safe, it might not be the best option for long-term hydration due to its lack of essential minerals. For occasional consumption, it poses no significant health risks, but for those looking for a more sustainable and nutritious option, RO water is a better choice. RO water offers a comprehensive water filtration system that removes a wide range of contaminants while retaining beneficial minerals, making it an excellent option for everyday hydration.
If you live in an area where water quality is a concern, investing in a reverse osmosis system might be the best choice to ensure you have access to clean, safe, and mineral-enriched water.

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Contaminants Detected in  Fruitland Water Special Service District
30
Contaminants
EXCEED EWG HEALTH GUIDELINES

30  Total Contaminants in Your Water

Water Provider

Fruitland Water Special Service District

Population Affected

120,000

Water Source

Ground water
Exceeds Guidelines

Others Detected

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