Carbonated Water vs. Still Water

We all know that staying hydrated is essential for our health, but is it best to hydrate with carbonated or still water? 

Sparkling water might seem like it should be grouped with fizzy drinks, which aren’t particularly good for our health. But does still water provide better hydration? 

In this guide, we’ll break down everything you need to know about carbonated and still water. 

From hydration effectiveness to their impact on health, you’ll discover the pros and cons of each option, helping you decide which is best for your well-being. 

Understanding carbonated and still water 

• Still water: This is plain water without added gases; we get this from taps and bottles. 
• Carbonated water: Also known as sparkling water, it contains dissolved carbon dioxide gas, which is what gives it its fizz. 

Does sparkling water hydrate you? 

A common misconception is that sparkling water doesn’t hydrate you as well as still water. However, this isn’t the case. 

One study looked at how 13 common drinks hydrate our bodies, comparing urine output when drinking any drink to that when drinking still water. The study found that sparkling water is just as hydrating as still water. 

However, Dr Natasha Bhyuan explains that it might take your body longer to absorb sparkling water than still water. But if you’re drinking adequate amounts of water, whether still, sparkling, or a mix, it won’t affect your hydration levels. 

Is sparkling water good for digestion? 

Carbonated water has been found to benefit digestive health in several ways. A 2017 study indicated that sparkling water could improve the ability to swallow in young and older adults. It worked particularly well for hospitalised older adults.

What’s more, carbonated water can offer a sense of fullness for some people. Sparkling water may extend the feeling of fullness after meals, more so than plain water, as it helps food stay in the stomach longer. However, further research is needed to confirm this. 

Something to note is that drinking sparkling water in excess may cause uncomfortable bloating or gas for those with sensitive guts. In comparison, still water is generally gentle on the digestive system and suitable for everyone.  

Does sparkling water damage teeth?

Carbonated water is slightly more acidic than still water, which can potentially affect tooth enamel. However, its impact is significantly less than that of sugary soft drinks. 

The National Institute of Health states that drinks with a low pH are more acidic, which erodes tooth enamel when consumed regularly and in large amounts. Still water has a pH of 7, while plain sparking water has a pH of around 5 or higher. 

If you add flavour to sparkling water, you can make it more acidic, which will damage your teeth over time.

Plain water is the best option for dental health; however, sparkling water isn’t far behind. Carbonated water is a much better option than sugary soft drinks. 

If you want to minimise the potential effects of sparkling water on your teeth, it’s best to drink it with your meals and practice good oral hygiene. 

Does sparkling affect bone density? 

You might be pleased to hear that carbonated water does not negatively impact bone health. These concerns are mostly associated with sugary drinks, such as colas, which have been found to increase the risk of fracture. 

Carbonated water vs. Still water for weight management 

Both types of water are calorie-free, which means they’re the best choices for those looking to lose weight or maintain it. Some studies suggest that carbonated water may help you feel fuller, which could lead you to eat fewer calories, therefore helping aid in weight loss. 

Is sparkling water good for you? 

Sparkling water can be a beneficial addition to a healthy lifestyle when it’s drunk in moderation. These are the key points to consider: 

• • Hydration: Sparkling water is just as hydrating as water. 
  • Enjoyable: The effervescence can make hydration more enjoyable for those who prefer a fizzy beverage. 
  • Calorie-free: Plain sparkling water contains no calories, unlike sugary sodas. 
  • Digestive support: Some studies suggest that sparkling water can aid digestion. 
  • Dental and bone health: Sparkling water poses minimal risk to tooth enamel and has no negative impact on bone health. 

The important note to take away is that when you’re choosing sparkling water, it’s always best to choose plain options without artificial flavours or added sugars to ensure that you’re getting the healthiest option. When doing this, there is very little difference in terms of health between drinking carbonated water or still water. 

When it comes to keeping hydrated, the best thing you can do for your health is to drink water that’s enjoyable for you so that you consume enough of it each day.