

Real hydration science. Flavor from the islands.
RIO is built on a science-backed electrolyte formula designed to support how your body actually hydrates. Then we gave it the flavor we grew up with: ripe mango and tart passionfruit, a nod to the islands of Puerto Rico and the Dominican Republic. No added sugar. Nothing neon. Just hydration you’ll want to reach for every day.
The electrolyte you lose most when you sweat. Sourced from sodium citrate and Himalayan pink salt to help your body take in and hold onto water.†
Works alongside sodium to keep your fluids balanced, from heated Pilates to long days in the city.†
Supports normal muscle function, so you recover as well as you move.†
See the Difference
Water alone doesn't replace what you lose when you move.
Balanced electrolytes, real hydration, flavor that actually delivers.
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Get Mango Passionfruit delivered straight to your door. Never run out of hydration.
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Why Subscribe?
Our Electrolyte Mix is a clean, functional hydration mix made with 1,015mg of balanced electrolytes per serving, sodium, potassium, and magnesium, with zero added sugar. Each stick pack mixes into 12 to 16oz of water for hydration that's formulated for what your body actually needs, not too little, never too much. Naturally mango passionfruit flavored, made for however you move.
Water alone doesn't replace the electrolytes your body loses through sweat, movement, and everyday activity. Without sodium, potassium, and magnesium, your body can't effectively absorb and retain water, which is why hydration needs more than water alone.
Before a workout to prep, during to keep going, or after to recover, on hot days, heated classes, or any moment you need to feel balanced again.
Yes, RIO Hydration’s Electrolyte Mix is 100% vegan.
No, RIO Hydration’s Electrolyte Mix contains zero caffeine.
RIO is sweetened with a blend of Allulose and Rebaudioside A (from stevia leaf extract), both natural, low-to-zero-calorie sweeteners. This means our formula is 100% sugar-free, without missing out on any great flavor.
Pour one stick into 12 to 16 oz of cold water, then shake or stir well and enjoy. For a bolder flavor, use 12 oz. For a lighter, more refreshing sip, go up to 16 oz. RIO is perfect after a workout, a hot yoga class or a long run, or any time you’ve pushed yourself and need to recover right.†
Optional tip line: Pour over ice for the most refreshing taste.