The U.S. National Academies of Sciences, Engineering, and Medicine recommends that men should consume 15.5 cups of fluid per day, while women should aim for 11.5 cups. In light of these guidelines, a recent study by Dr. Akira Takahashi, published in the journal BMJ Nutrition, Prevention & Health, examines the potential benefits of carbonated water in aiding weight loss. The study investigates how carbon dioxide (CO2) entering the bloodstream, such as through the consumption of sparkling water, can affect bodily functions.
Dr. Takahashi's study highlights that CO2 in the blood can alter its pH level, making it more alkaline. This change allows red blood cells to absorb more glucose, potentially lowering blood sugar levels and supporting weight loss. Furthermore, consuming fizzy drinks can fill the stomach with gas, creating a temporary sensation of fullness, which might reduce overall hunger.
"when carbon dioxide gets into your bloodstream, your red blood cells, it changes the pH and makes the blood a little more alkaline — and in that setting, the blood cells are able to absorb more sugar, or glucose, dropping your blood sugar level." – Dr. Tara Narula
Dr. Tara Narula, who discussed the study's findings on "Good Morning America," emphasized that hydrating adequately is crucial for health. She recommends drinking nine to twelve glasses of water daily.
"Probably about 9 to 12 glasses a day," – Dr. Tara Narula
Water plays a key role in all cellular processes, including digestion and metabolism.
"for every cellular process in our body, for digestion and metabolism." – Dr. Tara Narula
Although carbonated beverages might offer an alternative for those who do not prefer plain water, Dr. Narula cautions that they are no substitute for a balanced diet and exercise regimen.
"Carbonated beverages might be helpful for those who don't like plain water. And water is part of a healthy living strategy, but it is not really the way to lose weight," – Dr. Tara Narula
Despite the promising findings, Dr. Narula points out that the clinical effects of drinking carbonated water are minimal.
"The clinical effect is very, very small — it might help, but is really probably not clinically relevant." – Dr. Tara Narula
The study also suggests that drinking carbonated water could discourage the consumption of sugary sodas.
"Lastly, you may not be reaching for a sugary beverage or soda if you're drinking carbonated water," – Dr. Tara Narula
