The idea that alkaline water is a miracle health elixir is a common myth that has gained popularity in recent years. However, there is little scientific evidence to support these claims. Alkaline water is water with a higher pH level, typically above 7, which is considered neutral on the pH scale.
Advocates of alkaline water claim that it can provide various health benefits, including:
Balancing pH levels: It is often suggested that consuming alkaline water can help balance the body's pH levels and prevent the development of diseases. However, the human body has a natural mechanism for maintaining its pH balance, and there is no compelling scientific evidence that drinking alkaline water significantly impacts this balance.
Neutralizing acid in the body: Some proponents claim that alkaline water can neutralize excess acid in the body and reduce the risk of diseases associated with high acidity. However, the body's acid-base balance is tightly regulated by the kidneys and lungs, and drinking alkaline water is unlikely to have a significant impact on this balance.
Hydration: Alkaline water is sometimes promoted as being more hydrating than regular water. While it may have a slightly different taste and texture due to its mineral content, there is no strong scientific evidence to suggest that it is significantly better at hydrating the body.
Anti-aging and antioxidant properties: Some supporters of alkaline water claim that it has anti-aging and antioxidant properties, but the evidence for these claims is limited and inconclusive.
Preventing chronic diseases: Alkaline water is sometimes marketed as a way to prevent or treat various chronic diseases, such as cancer, osteoporosis, and heart disease. However, there is insufficient scientific evidence to support these claims.
It's important to note that the human body has a remarkable ability to maintain its internal pH balance, and dietary and lifestyle factors have a more significant impact on health than the pH of the water you drink. While staying properly hydrated is essential for overall health, the best way to do so is by drinking an adequate amount of clean, safe, and regular drinking water.
Scientific studies examining the health claims of alkaline water are limited, and the evidence supporting its health benefits is generally weak. Nevertheless, here are a few studies and reviews that have explored the topic:
Effect of alkaline water on hydration status: A study published in the Journal of the International Society of Sports Nutrition in 2016 investigated the effects of alkaline water on hydration status and exercise performance. The study found that drinking alkaline water did not significantly impact hydration or exercise performance when compared to regular water.
Alkaline water and acid-base balance: A study published in the Annals of Otology, Rhinology & Laryngology in 2012 explored the potential effects of alkaline water on acid-base balance in the body. The study concluded that while alkaline water did raise the pH of the urine, it did not significantly impact blood pH levels.
Alkaline water and bone health: Research published in the Journal of Bone and Mineral Metabolism in 2016 examined the effects of alkaline mineral water on bone health in postmenopausal women. The study found that drinking alkaline mineral water did not have a significant impact on bone mineral density.
Alkaline water and antioxidant properties: A study published in the Journal of the International Society of Antioxidants in 2014 investigated the potential antioxidant properties of alkaline water. The study concluded that alkaline water did have some antioxidant properties, but the clinical significance of these effects was not well-established.
It's important to note that the results of these studies are generally inconclusive, and more research is needed to draw firm conclusions about the health benefits of alkaline water. Additionally, the studies mentioned above represent only a small portion of the research on this topic.
The overall consensus among the scientific community is that the human body has robust mechanisms for maintaining its pH balance, and the consumption of alkaline water is unlikely to significantly impact health or prevent diseases. If you are considering making dietary or lifestyle changes for health reasons, it's advisable to consult with a healthcare professional or registered dietitian for personalized guidance based on the most current scientific evidence.
In general, drinking alkaline water in moderation is unlikely to cause significant benefit or harm for most people. If you enjoy the taste and prefer it to regular water, there's no harm in including it in your diet. It's crucial to stay hydrated, and water is essential for overall health.
Nevertheless, the key takeaway remains that the health benefits of alkaline water are not well-established, and it should not be relied upon as a miracle health elixir. A balanced diet, regular exercise, and other well-documented health practices are more critical factors for maintaining good health. If you have specific concerns or medical conditions, it's always wise to consult with a healthcare professional or registered dietitian for personalized guidance.