Unlike most carbonated soda drinks, ginger ale does not have caffeine. Most ginger ales contain carbonated water, lemon, lime and sugar. According to the U.S. Department of Agriculture, ginger ales typically contain 133 calories and 29 grams of sugar per serving.
Ginger ale existed long before caffeine became popular the United States. Brewers in England and Ireland began offering ginger ale sometime in the 1840s. By the 1930s, caffeinated drinks like Coca-Cola surpassed the popularity of ginger ale. More than 90 percent of adults age 18 and over consume caffeine through drinks such as soda, according to the Journal of the American Dietetic Association. Because ginger ale does not have caffeine, it is safe for pregnant women and children to consume.