When it comes to hydration, there are no specific issues with carbonated water. The carbon dioxide in carbonated water does not hinder the body’s ability to absorb water.
The bubbles in carbonated water may temporarily make you feel full, making it harder to consume large amounts at once. However, whether you drink plain water or carbonated, you will remain hydrated.
Although slightly acidic, carbonated water could potentially erode tooth enamel. Nevertheless, the damage is substantially less compared to sugary carbonated drinks or fruit juices.
Opting for sparkling water over soda or orange juice can contribute to better dental health.
Other potential effects are less conclusive.
In a small 2002 study, researchers found that sparkling water may reduce indigestion and constipation more effectively than plain water. However, the study was short-term with only 21 participants.
Similarly, a 2026 survey conducted at the University of Tsukuba Sports and Health Science Research Center suggested that carbonated water could enhance alertness in athletes.
The study, which involved 14 individuals playing a soccer video game, showed modest improvements in attention and cognitive abilities. It’s important to note that the study received partial funding from a soft drink company, raising the possibility of a placebo effect.
In essence, both distilled and carbonated water offer health benefits, with the differences being minor compared to other beverage choices like alcohol or sugary drinks.
It’s unnecessary to fret over these subtle disparities, much like the distinction between the health benefits of romaine and iceberg lettuce rather than choosing a salad over mac and cheese.
This article addresses Kelly Roy’s query from Sheffield: “Should I opt for plain water or sparkling water?”
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