Top 6 Benefits of Carbonated Water

Top 6 Benefits of Carbonated Water

While carbonated water is a popular choice for its crisp taste, unsweetened versions offer impressive health benefits beyond their refreshing fizz. 

Discover six potential benefits of carbonated water and learn how incorporating sparkling water can help promote digestive health and appetite control. 

What is carbonated water?

Carbonated water contains dissolved carbon dioxide gas, which creates bubbles and forms carbonic acid, a weak acid that gives this fizzy water its slightly sharp, refreshing taste. 

Several beverages fall under the category of carbonated water, including sparkling water and seltzer water, which typically contain only water and carbon dioxide.

Mineral water is a variety that may contain natural bubbles from dissolved carbon dioxide, along with minerals such as calcium or magnesium. In contrast, club soda and soda water often contain added minerals, including sodium bicarbonate.

Unlike sugary drinks, plain carbonated water doesn’t contain added sugars, high-fructose corn syrup, or other additives, making it an excellent option for those following a health-focused lifestyle. 

Watch the video below to learn about the health benefits of carbonated water.

Potential benefits of carbonated water

While carbonated water is often chosen for its taste, it can also offer health benefits when incorporated into a balanced diet. 

When consumed plain and unsweetened, sparkling water serves as a healthier alternative to other carbonated drinks that may contain added sugars, unnecessary calories, or potentially harmful colorings and additives. 

Here are six potential benefits of drinking sparkling water.

1. Helps you stay hydrated

Because carbonated water hydrates the body as effectively as plain water, individuals who dislike still water may find that carbonation makes it easier to drink enough fluids throughout the day.

Adequate hydration supports circulation, digestion, temperature regulation, and energy production. Carbonated fluids may be a practical option when they help increase total fluid intake.

2. Supports digestive comfort

Not only does carbonated water help keep you hydrated, which is a key factor for healthy digestion, but its carbonated bubbles may also gently stimulate digestive activity.

Some individuals report that carbonated water helps reduce feelings of heaviness after meals or supports digestive comfort. It’s believed that carbonated water can stimulate digestive motility and digestive enzyme release, two crucial factors for digestive wellness.

3. May promote tissue oxygenation 

Carbon dioxide plays a role in the release of oxygen from red blood cells, a process known as the Bohr effect. When carbon dioxide levels rise slightly, oxygen is released more easily and delivered to tissues.

“Carbon dioxide helps the body release oxygen from red blood cells,” Dr. Berg explains. “This allows oxygen to reach the tissues more efficiently.”

This effect explains why some people feel more refreshed after drinking carbonated water, particularly during warm conditions or physical activity. While this effect is typically subtle, it may contribute to improved comfort during everyday movement.

4. Supports weight management 

Carbonated water is a healthy alternative to sugary soda and other sugar-sweetened carbonated beverages. Replacing these drinks with sparkling water helps reduce intake of added sugars and minimizes blood sugar fluctuations–a primary cause for weight gain.  

Many soft drinks contain high-fructose corn syrup and contribute to excess caloric intake without providing essential nutrients. Choosing plain sparkling water instead helps limit empty calories while offering a satisfying and refreshing beverage.

Woman eating lunch and drinking water 
Image credit: Anatoliy Cherkas/shutterstock.com

5. Increases feelings of fullness

A study published in the Journal of Nutritional Science and Vitaminology reported that consuming carbonated water increased short-term fullness more than drinking the same amount of plain water.

The research suggests carbonated water gently stretches the stomach, which helps activate satiety signals.

This effect may support appetite management, help manage cravings, and reduce snacking between meals, which can contribute to weight loss. 

6. May promote alertness

Regularly drinking carbonated water may influence how refreshed and focused you feel. 

A study published in Physiology & Behavior reported that drinking carbonated water was associated with increased alertness and reduced feelings of sleepiness compared to non-carbonated water.

The authors state, “The study suggests that under ambient heat-stressed resting conditions, ingestion of carbonated water increases the blood pressure, cerebral blood flow index, and improves mood states, whereas it decreases sleepiness.”

This may help explain why drinking carbonated water often feels more refreshing than still water, especially in warm conditions.

Friends drinking plain sparkling water 
Image credit: CrizzyStudio/shutterstock.com

Are there downsides to carbonated water?

Carbonated water is generally well-tolerated, but individual responses can vary depending on the type of beverage and how it’s consumed.

From a dental perspective, plain carbonated water is slightly acidic due to its carbonic acid content. However, dental health concerns are more closely linked to highly acidic and sugary soft drinks rather than carbonation itself. 

Research published in the Journal of Clinical Pediatric Dentistry found that sugary carbonated beverages caused significant enamel erosion, while bottled water and tap water didn’t. 

This distinction highlights that enamel damage is primarily driven by added sugars, stronger acids such as phosphoric or citric acid, and prolonged exposure, rather than by carbonation alone.

Some individuals may also notice excessive gas or digestive discomfort, such as bloating or acid reflux, after drinking carbonated water. 

In addition, certain types of carbonated beverages, such as club soda or some mineral waters, may contain added sodium, which may not be suitable for those sensitive to salt.  

FAQ

1. What are the benefits of carbonated water?

Plain, unsweetened carbonated water can support hydration, help reduce intake of sugary drinks, promote alertness, and increase short-term feelings of fullness. Replacing sugary soft drinks with plain carbonated water may also support more stable blood sugar control and improved weight management. 

2. Is it safe to drink carbonated water every day?

For most people, drinking plain carbonated water daily is considered safe.

3. Does carbonated water hydrate you?

Carbonated water hydrates the body as effectively as still water when consumed in similar amounts. The presence of carbonation doesn’t reduce its ability to contribute to daily fluid needs.

4. Does carbonated water affect digestion?

Carbonated water may gently stimulate digestive motility and increase satiety. However, individual responses vary, and some people may experience increased gas or bloating when consuming large amounts of carbonated water.

5. Does carbonated water affect tooth enamel?

While plain carbonated water is slightly acidic due to its carbonic acid content, dental concerns are mainly linked to sugary and highly acidic soft drinks rather than carbonation itself. Choosing plain carbonated water without added sugars or acids helps minimize dental risk.

Sources

  1. https://www.jstage.jst.go.jp/article/jnsv/58/5/58_333/_article
  2. https://doi.org/10.1016/j.physbeh.2022.113942
  3. https://www.jocpd.com/articles/10.17796/jcpd.31.3.1157l653t8206100
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