Alkaline Water Explained: Unveiling the Real Health Impact

Can alkaline water’s higher pH level translate into real health benefits for you? This article delves directly into whether drinking alkaline water can improve your hydration, increase your bone density, or is simply an overhyped product with minimal impact on wellness. We’ll examine the methods of production, scientific findings, and weigh potential risks to give you a comprehensive understanding of alkaline water.

Key Takeaways

  • Alkaline water, with its higher pH level due to mineral content, is produced through natural processes or electrolysis, but claims of its health benefits lack substantial scientific backing.

  • Limited research suggests potential health benefits of alkaline water, like enhanced hydration and possible improvements in bone density for postmenopausal women, but more studies are required to confirm these benefits.

  • Consumption of alkaline water should be approached cautiously, particularly among those with kidney or heart conditions, given the potential risks and lack of evidence supporting many health-related claims.

Understanding Alkaline Water: Definitions and Production Methods

Water electrolysis process with alkaline components

Alkaline water, characterized by its lower acidity than regular drinking water, is primarily due to the presence of alkaline minerals. This composition gives it a pH above the neutral point of 7. Typically, the pH level of alkaline water is 8 or above, with the ideal range for consumption being between 8 and 9.

Alkaline water production involves several methods, including natural processes and electrolysis. Natural alkaline water occurs when water passes over rocks, picking up minerals that increase its pH level. On the other hand, electrolysis involves using electricity to separate the acidic and alkaline components of water, creating what’s often referred to as alkaline electrolyzed water.

The Science Behind pH Levels

Comprehending the pH scale is crucial for understanding alkaline water. The pH scale is a measure that ranges from 0 to 14. A value of 7 is considered neutral, values less than 7 are acidic, and values greater than 7 are alkaline. Alkaline water, with its pH of 8 or above, falls into the latter category.

So, what determines the pH level of water? It’s influenced by the carbon dioxide-bicarbonate-carbonate equilibrium system, where the presence of carbon dioxide plays a significant role. This equilibrium system is why natural water sources can have varying pH levels, depending on their environment.

Methods of Alkalinizing Water

We should examine the methods of creating alkaline water in more detail. One common method is electrolysis, a chemical process that involves using electricity to split water into oxygen and hydrogen gas. This process separates water into acidic and alkaline components, elevating the pH of the water.

Natural processes also play a role in alkalinizing water. For instance, water can become naturally alkaline when it passes over rocks and acquires minerals that raise its pH level. You can also increase the alkalinity of water by adding baking soda or pH drops to it. This can help balance the pH levels of the water and make it less acidic. Even adding lemon to water, contrary to what you might expect, results in an alkaline effect post-consumption due to lemons being anionic.

The Debate on Alkaline Water Consumption and Health

Comparison of alkaline water and plain water

The debate regarding the health benefits of increasingly popular alkaline water persists. While some individuals swear by its health-enhancing properties, many health professionals recommend not relying solely on alkaline water for health benefits due to insufficient scientific evidence supporting its use.

To further complicate matters, comparisons between alkaline water and plain water often surface in this debate. The differences in pH levels and mineral content become key points of discussion. But the main question remains: Does consuming alkaline water actually lead to significant health benefits, or are the claims just marketing hype?

Drinking Alkaline Water vs Plain Water

In a face-off between alkaline water and plain water, differences emerge primarily in pH levels and mineral content. Alkaline water typically has a pH of 8 or 9, whereas regular drinking water generally has a neutral pH of 7. Moreover, natural alkaline water contains more beneficial minerals compared to tap water.

However, caution is advised with artificial alkaline water, which may contain fewer beneficial minerals and potential contaminants. Despite the elevated pH levels of alkaline water, regular water hydrates the body just as effectively, with no proven additional energy benefits.

Investigating the Claims

The health claims associated with alkaline water are numerous, including:

  • Enhancing anti-aging properties

  • Improving skin health

  • Supporting the immune system

  • Promoting weight loss

However, it is important to note that the majority of these claims are not supported by sufficient scientific evidence.

Moreover, claims that alkaline water provides more energy and neutralizes acid in the bloodstream lack substantial scientific backing. Even though limited research suggests potential benefits like improved DNA longevity markers and reduced symptoms in certain conditions, these findings do not conclusively demonstrate the health benefits of alkaline water consumption.

Potential Benefits of Alkaline Water: What Research Suggests

Potential health benefits of alkaline water

While the debate continues, some research suggests potential health benefits of alkaline water. For instance, a study on mice suggested that drinking alkaline water could contribute to a longer lifespan. In a study on postmenopausal women, regular alkaline water consumption was associated with a lower proportion of metabolic syndrome and greater handgrip strength.

Nevertheless, keep in mind that the existing research is limited, and more extensive human trials are needed to confirm these potential health benefits. Interestingly, some studies indicate that alkaline water consumption, when paired with high-intensity anaerobic exercise, could lead to enhanced exercise performance. Alkaline water supplementation may be a factor to consider in this context, as hydrogen influences human health.

Metabolic Function and Hydration

One area where alkaline water could potentially shine is in hydration and metabolic function. Regular consumption of alkaline water can markedly improve hydration status, which is critical for health and performance. Combat sport athletes drinking alkaline water showed improvements in hydration and enhanced anaerobic exercise performance, indicating a possible link between alkaline water and athletic performance.

Other studies have found that drinking alkaline water, including alkaline reduced water, led to improvements in drinking water quality, such as:

  • Lower urine specific gravity

  • Higher urine pH, indicators of improved hydration

  • Reduced exercise-induced metabolic acidosis, aiding performance during high-intensity efforts

These improvements could have positive impacts on overall nutrition, hydration strategies, and managing dietary acid load for healthy adults.

Bone Density and Acid Load

When it comes to bone health, some research suggests that alkaline water could have potential benefits. A study published in the Journal of Menopausal Medicine found that drinking alkaline water with a pH of 8.6 ± 0.3 improved spine bone density in postmenopausal women with osteoporosis. However, no significant differences were observed in the femur bone density, suggesting site-specific effects of alkaline water.

Further, the study found that:

  • Fewer markers of bone resorption were observed in the group consuming alkaline water compared to the acidic mineral water group

  • This indicates a potential benefit in bone health maintenance

  • Long-term consumption of alkaline water could help postmenopausal women neutralize the adverse effects of acidic diets and contribute to the prevention of osteoporosis.

Risks and Side Effects: When Alkaline Water May Not Be Beneficial

Risks and side effects of alkaline water consumption

While there may be potential benefits, it’s important to consider the risks and side effects associated with consuming alkaline water. Some of the risks include:

  • Hyperkalemia (high levels of potassium in the blood)

  • Growth hindrance

  • Depletion of minerals and vitamins

  • Acute liver failure (in rare cases)

Long-term consumption of alkaline water with a pH higher than 9.8 may increase the risk of these health issues. Additionally, there have been case reports of acute liver failure linked to a specific brand of alkaline water.

Artificially alkaline water may pose additional risks. It may contain fewer beneficial minerals and could include contaminants. People who have pre-existing kidney disease or impaired kidney function should avoid drinking ionized alkaline water without medical supervision. This is because they are particularly at risk of negative effects on their health.

Understanding the Dangers for Specific Conditions

Certain health conditions can make alkaline water potentially harmful. Excessive consumption of alkaline water can be detrimental for individuals with chronic kidney disease. This condition is frequently a result of high blood pressure or heart disease..

It is important for individuals with kidney disease or impaired kidney function to avoid consuming alkaline water, particularly if it is ionized, without medical oversight. This is due to the potential for additional complications. Likewise, individuals with heart conditions should exercise caution with alkaline water, as pH levels above 9.8 may increase the risk of hyperkalemia, a condition characterized by elevated potassium levels in the blood which can be life-threatening.

The Downside of Added Minerals

While minerals contribute to the alkalinity of water, too much of a good thing can be harmful. High concentrations of added minerals in alkaline water may harm the mucosal lining, leading to symptoms like excessive thirst. Also, excessive consumption of alkaline water can result in gastrointestinal issues, including nausea and vomiting, which may be associated with the high concentrations of added minerals.

Moreover, artificially created alkaline water can introduce harmful substances and remove beneficial natural minerals. Therefore, caution is advised with artificial alkaline water as it may contain fewer beneficial minerals and potential contaminants, unlike natural alkaline water which is generally considered safe.

Alkaline Water in Daily Life: Practical Considerations

Choosing quality alkaline water

Integrating alkaline water into daily routines necessitates thoughtful consideration. For instance, using a water ionizer attached to the tap allows separation of water into alkaline and acidic streams, with alkaline water being suitable for drinking. To prevent disruption of the body’s natural pH, individuals should gradually introduce alkaline water into their diet.

Before adjusting one’s diet to include alkaline water, it’s advisable to test the current tap water pH and aim for a pH level between 8 and 9 after alkalization. It is also essential to maintain proper hydration for health, and thus drinking enough water is recommended when adding alkaline water to the diet.

Choosing Quality Alkaline Water

Selecting high-quality alkaline water is essential to maximize potential benefits while minimizing risks. When selecting bottled alkaline water, opt for water that is naturally alkaline, filtered through rocks which enhances its mineral content and pH levels. However, be cautious of artificial alkaline water, which may not have beneficial mineral content and could include contaminants, despite its high pH.

Equipment matters too. Consider the durability and materials of water ionizers as well as independent testing certifications to ensure quality alkaline water production. For a cost-effective solution, non-electric water ionizers are available, which may introduce alkalizing minerals to water in contrast to electric ionizers that do not add substances.

Balancing Water Intake

Balancing alkaline water intake with regular water consumption can help prevent disruption to the body’s natural pH regulation systems. Consuming both alkaline and regular water throughout the day while heeding the body’s hydration cues supports sustained hydration without over-alkalinizing.

Moreover, diversifying fluid intake with different sources, not just alkaline water, is crucial to maintaining a healthy and balanced fluid intake. So, while alkaline water can be a part of your hydration strategy, it shouldn’t be the only source of your hydration.

Debunking Myths: Separating Fact from Fiction in Alkaline Water Claims

Amidst the hype of alkaline water, numerous myths have emerged. These myths often stem from misconceptions or misinterpretations of scientific data. For instance, many health professionals state that there is insufficient research to substantiate many of the health claims made by proponents of alkaline water.

Claims about alkaline water improving digestion, slowing down aging, boosting body’s mineral content, and preventing bone loss are not supported by science. Moreover, there is no scientific evidence supporting the claim that drinking alkaline water can prevent chronic diseases like cancer. The pH levels in the blood are tightly regulated by the body’s systems, and cannot be easily altered by diet or consuming alkaline water. The body’s regulatory mechanisms maintain a stable pH to support overall health and function.

Alkaline Water and Lifestyle: The Role of Diet and Physical Activity

Consuming alkaline water is merely one facet of a healthy lifestyle. Embracing a comprehensive health strategy that encompasses drinking alkaline water, adhering to a balanced diet, and engaging in regular physical activity is recommended for overall well-being.

Interestingly, research indicates no significant disparity in physical activity levels between individuals who drink alkaline water and those who do not. This suggests that the health benefits observed from drinking alkaline water may be independent of exercise patterns.

Personal Stories and Testimonials: Users' Experiences with Alkaline Water

Though scientific evidence plays a critical role, personal experiences offer a relatable viewpoint on the consumption of alkaline water. For instance, one individual who embraced alkaline water as part of a raw organic food and supplement lifestyle reported a newfound sense of well-being, clarity, and energy, after suffering from chronic fatigue, lethargy, and mood swings for 15 years.

Such stories are not uncommon, and while they do not replace scientific evidence, they do add a human touch to the discussion. They remind us that while alkaline water may not be a miracle cure, it can play a role in supporting a healthier lifestyle for some individuals.


To wrap it up, alkaline water is a topic that has generated much interest and debate. Its potential health benefits, such as improved hydration and bone density, are intriguing, yet the scientific evidence remains limited. Meanwhile, it’s essential to be aware of the potential risks, especially for people with specific health conditions, and the importance of choosing quality alkaline water.

The journey into understanding alkaline water is filled with complexity and nuance. But one thing is clear: a balanced approach is key. Alkaline water can be a part of a healthy lifestyle, but it does not replace the fundamentals of a balanced diet, regular exercise, and adequate hydration.

Frequently Asked Questions

Is alkaline water just boiled water?

No, alkaline water is not just boiled water. It is water that has been filtered to increase the pH level and has added minerals, while boiling water simply removes impurities through the process of vaporization.

When should I drink alkaline water?

It is recommended to drink alkaline water at least thirty minutes before a meal and one and a half to two hours after eating to avoid any digestive issues. Drinking it throughout the day can still offer benefits, but timing is important to prevent any discomfort.

How do you make water alkaline?

You can make water alkaline by adding a pinch of baking soda to a glass of tap water or infusing it with slices of lemon or cucumber. Another option is to use an alkaline water filter pitcher or a water ionizer machine.

Who should not drink alkaline water?

People with digestion problems, especially those over 60, should avoid alkaline water as it can disrupt nutrient absorption and lead to indigestion and malnutrition. Additionally, individuals with kidney disease should also refrain from drinking alkaline water.

Is alkaline water good for you?

There is some evidence that alkaline water may help improve digestive health, support postmenopausal health, and improve hydration during exercise, but more research is needed to confirm these benefits. It is generally considered safe to drink natural alkaline water unless you have kidney disease, but it may not necessarily provide all the health benefits that are claimed.