What Are the Healthiest Alternatives to Soda? | Better Drinks, Ranked

Plain water is the healthiest substitute for soda—it hydrates with no added sugar; unsweetened sparkling water, tea, or milk are strong backups.

A 20-ounce soda carries about 17 teaspoons of added sugar, while federal guidance caps added sugars at under 10% of daily calories for anyone age 2 and older. Since most adults should keep added sugar to 5–9 teaspoons a day, one bottle blows the budget before lunch. Swapping it for an unsweetened drink cuts sugar fastest.

Which Drinks Beat Soda Without Added Sugar?

Water tops the list; the rest add flavor or nutrients without added sugar. The CDC names plain water as the default choice, then unsweetened coffee and tea, plain low-fat or fat-free milk, and fortified dairy alternatives.

Is Sparkling Water As Good As Plain Water?

Yes—unsweetened sparkling water hydrates as well as still water; carbonation changes mouthfeel, not health value. The sugar problem appears only in flavored products with sweeteners, so check the Nutrition Facts panel for “added sugars.” If a sparkling drink lists zero added sugars and no sweetener, it works as a daily soda stand-in. For a taste closer to soda, the CDC suggests adding a splash of 100% juice to plain sparkling water, keeping sugar far below a full serving of soda or juice.

Readers wanting brand-level picks, tested side by side, will find them in this roundup of the best soda alternatives worth buying.

Where Does Diet Soda Fit In?

Diet and zero-sugar soda work as a transition step, not a destination. Swapping regular soda for a low- or no-calorie sweetened drink cuts sugar and calories fast, helping adults who drink a lot of soda. But federal guidance does not recommend long-term use of low- and no-calorie sweetened beverages for children, adolescents, and teens.

Water and unsweetened drinks sidestep both problems: no added sugar, no reliance on nonnutritive sweeteners. Research has found no dyslipidemia association with low-calorie sweetened beverages, though other long-term effects need more study, so treat diet soda as a bridge, not the final stop. The CDC’s guidance on choosing drinks with less sugar lays out the same order of preference.

How Do You Cut Soda Without Feeling Deprived?

Shrink one serving at a time. Replacing a single daily soda with plain or sparkling water is the change most people can hold, and it stacks up faster than quitting all at once. A few moves that make the switch stick:

• Keep cold sparkling water in the fridge where the soda used to sit — visible and ready beats willpower.
• Add lemon, lime, cucumber, or berries to still water so it tastes like something you chose.
• Brew unsweetened tea and chill it overnight for more character than water alone.
• Save 100% juice for small pours, since it is calorie-dense and short on the fiber whole fruit provides.
• Reach for plain milk or an unsweetened fortified dairy alternative when you want something with substance.

Excess sugary-drink intake is linked to weight gain, obesity, type 2 diabetes, cardiovascular disease, kidney disease, nonalcoholic fatty liver disease, and tooth decay. That list is why the swap matters more than which unsweetened drink you pick—any of them beats another soda.