An curved arrow pointing right. Carbonated water is seen as a safe alternative to regular water, but is it really just as healthy? We took on carbonated water's 4 most common health concerns.

Regular water has a pH of 7, which is neutral. Coffee measures about 5, lemon juice about 2 and stomach acid about 1. In a 2016 study of nearly 400 beverages, the two plain sparkling drinks that ...