Walk into any health store and you’ll find bottles of alkaline water claiming to offer better hydration and health benefits. At the same time, an alkaline water filter for your home can cost anywhere from $50 to several hundred dollars. But is alkaline water truly better than regular purified water, or is it just marketing hype?
Understanding the Basics
Regular purified water has a neutral pH of about 7. Alkaline water has a pH above 7, usually between 8 and 9.5. The idea is that drinking higher pH water can neutralize acid in your body and provide health benefits. An alkaline water purifier raises the pH by adding minerals like calcium and magnesium or using a process called electrolysis.
The Claims About Alkaline Water
Supporters of alkaline water claim it can:
- Improve hydration
- Boost energy levels
- Neutralize acid in the bloodstream
- Slow down aging
- Support better bone health
- Help with acid reflux
These claims sound impressive, but what does the science say?
What Research Shows
The truth is your body is very good at regulating its own pH levels. Your kidneys and lungs work continuously to keep your blood pH between 7.35 and 7.45, regardless of what you drink. Drinking alkaline water doesn’t significantly change your blood pH because your body has systems in place to maintain balance.
Some small studies suggest alkaline water may help with acid reflux by deactivating pepsin, the enzyme that causes damage. Limited research also shows potential benefits for blood viscosity after exercise. However, most major health organizations say there isn’t enough evidence to support the broader health claims.
Benefits of Regular Purified Water
Standard purified water removes contaminants like chlorine, lead, bacteria, and other harmful substances. It’s clean, safe, and does exactly what your body needs: keeps you hydrated. Your body doesn’t need water to be alkaline to function properly.
When Alkaline Water Might Help
If you have severe acid reflux, an alkaline water filter may provide some relief. Some individuals report that they feel better when drinking it, though this could also be a placebo effect. For most people, drinking alkaline water in moderation is not harmful.
Potential Downsides
Too much alkalinity can cause problems. Drinking extremely alkaline water all the time might disrupt your stomach’s natural acidity, which you need for digestion and to kill harmful bacteria.
Cost is another factor. An alkaline water purifier is significantly more expensive than a standard filter. Bottled alkaline water is even pricier; sometimes three to four times the cost of regular water.
It’s also unnecessary for everyone. If you have healthy kidneys and a balanced diet, your body already manages proper pH levels without assistance.
The Verdict
Higher pH isn’t automatically better. For most healthy individuals, regular purified water is perfectly fine and fulfills all your body’s hydration needs. The health benefits of alkaline water remain largely unproven, despite marketing claims.
However, if you enjoy the taste of alkaline water and can afford a filter, there’s probably no harm in drinking it. Just don’t expect it to cure diseases or change your health dramatically.
Conclusion
Instead of worrying about pH levels, prioritize drinking enough water overall. Most people don’t drink enough throughout the day. Whether it’s alkaline or purified, staying hydrated is what truly matters for your health. Save your money unless you have a specific medical reason to try alkaline water.