Now, before you start chugging a 12-pack of club soda, there’s one tiny, hilarious consideration: carbonation can make you feel fuller. The bubbles in seltzer expand in your stomach like a balloon at a birthday party for one. This might trick your brain into thinking you’ve had enough fluid before you actually have. So, if you’re trying to rehydrate after a marathon—or, you know, a particularly intense afternoon of napping—you might stop drinking too soon.
But that’s a you-problem, not a seltzer-problem. The solution? Just keep drinking. Your stomach isn’t a gas tank, and the bubbles will settle down eventually. Or, do what I do: chase your seltzer with a flat water chaser. Problem solved.
Seltzer vs Sparkling Water: What's the Difference? – Frizzlife
The Surprising Hero of Hydration
Here’s a twist that will make you the life of the party: seltzer might actually help you drink more water overall. A 2026 survey found that people who dislike plain water—and yes, those monsters exist—consume 250% more fluid when it’s carbonated and flavored. The bubbles make it fun, like a soda that’s pretending to be healthy. If you’re one of those people who only drinks Diet Coke, switching to seltzer is like trading a mustang for a Prius—better for your teeth, better for your bones, and your dentist will finally stop sending you passive-aggressive birthday cards.
Also, the bubbles can make you FEEL more refreshed, even if the hydration is identical. It’s the placebo effect, but for your mouth. And let’s be honest, sometimes we just need the auditory satisfaction of a fizz to convince ourselves we’re doing something good.
