Don't expect to shed pounds solely due to your choice of beverage. The benefits of drinking carbonated water for weight loss are “so small that it is difficult to expect weight loss effects solely from the CO2 in carbonated water,” the study notes.

A study investigates sparkling water's role in weight loss, suggesting it might enhance glucose metabolism similar to effects observed in hemodialysis. However, the benefits are slight and cannot replace the fundamental weight management pillars of diet and exercise.

"CO2 in carbonated water may promote weight loss by enhancing glucose uptake and metabolism in red blood cells," according to researchers