Real hydration

Electrolytes + Magnesium

Hydration that keeps you in it.

What it is

The essential minerals your body loses through a day outside — sodium, potassium, magnesium and chloride.

Support genuine hydration and fluid balance, plus nerve and muscle function. Magnesium adds a hand with recovery and calm.

A full day on the course or the water quietly dehydrates you. Electrolytes keep you sharp and in it — not just wetting your whistle.

Is Second9 a sports drink?

No — it's a functional seltzer with real electrolytes and no added sugar.

Why magnesium?

For hydration, muscle and nerve function, and calm.

Statements describe ingredient function and are not evaluated by the FDA. Second9 is a beverage, not a medical product.