Hydration Debate: Flat vs Seltzer
Here’s how the swap can affect your performance.
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The swap probably won’t affect your performance, but drinking carbonated water while breathing in more air during tough workouts is a recipe for burping, Hunnes says. It’s more likely to happen during cardio sessions like running versus more stationary ones like lifting.
If you prefer seltzer and aren’t bothered by the bubbles, you can do a one-to-one swap of flat water for sparkling while you exercise, she says.