"GU® Roctane Energy & Hydration Drink Mix: When you're running long or pushing hard, water alone won't cut it. The GU® Roctane Energy & Hydration Drink Mix is a hydration and endurance nutrition drink designed for athletes who need sustained fuel during intense or extended activities. It combines fast-acting carbohydrates with electrolytes and amino acids, so each serving addresses both energy output and hydration losses at the same time. The light flavors are intentional - they stay easy to consume at high volume, which matters during long runs or cycling efforts when drinking frequently is part of the plan.The mix dissolves easily in water without clumping or gritty texture, making it straightforward to prepare and drink mid-effort. Electrolytes in each serving replace what sweat takes out - not just water volume, but the minerals water alone can't restore. Amino acids support working muscles during extended activity, giving your body more resources when efforts go long. Whether you're fueling before a workout or maintaining hydration during high-volume training sessions, the Roctane Energy & Hydration Drink Mix delivers effective endurance nutrition without heavy sweetness or artificial heaviness. Vegan, gluten-free, and kosher, it fits a wide range of dietary needs without requiring any adjustments to your training routine.Why Our Fit Experts Love It""I've been using the Roctane Energy & Hydration Drink Mix on long runs over 90 minutes and it keeps my energy consistent without any stomach discomfort. The flavor is light enough that I actually want to keep drinking it, which makes a real difference when hydration volume is high."" - Sean, Road Runner Sports Fit Expert, Chula Vista, CAWho It's Best ForThe GU® Roctane Energy & Hydration Drink Mix is best for endurance runners, cyclists, and athletes who need reliable energy and hydration support during intense training sessions or long-duration efforts. It works well before a workout or throughout high-volume hydration windows when electrolyte and carbohydrate replenishment matter most. Athletes following vegan, gluten-free, or kosher diets will find it fits their nutritional needs without compromise. VIP Family members can take the Roctane Energy & Hydration Drink Mix for a 90-Day test drive with our Perfect Fit Guarantee."