Formula 369 Electrolyte Booster Watermelon, 50 servings

"What Our Gearhead® Experts Are Saying:""I’ve used the Electrolyte Booster on everything from long trail runs to sweaty indoor sessions—clean ingredients, great absorption, and a noticeable difference in endurance. It’s now a permanent part of my fueling routine.""Whether we’re grinding through a long ride, heading into hot summer training blocks, or simply trying to stay on top of hydration, the Electrolyte Booster gives us what our body actually needs—fast, clean replenishment. With a well-balanced blend of sodium, potassium, and magnesium, this booster goes beyond just quenching thirst—it supports real performance. Each serving delivers 500mg of sodium, 200mg of potassium, and 50mg of magnesium to help support fluid balance and muscle function during intense efforts. Whether we're adding it to a bottle of endurance fuel or using it on its own, this booster is our go-to for dialing in electrolytes without the clutter. With 50 servings in each container, it's a smart and efficient solution for consistent training support."

Price: $29.99 from Backcountry