Whether you're training for a marathon, touring cross country on your bike, or about to take on an intense workout, reach for the GU Roctane Energy Drink as a way to stay on top of your game. This twelve-serving canister mixes easily and tastes surprisingly light and refreshing while you're...

The GU Roctane Energy Drink offers you a calorically dense boost to power you through long, intensive workouts. The Roctane formula features even more carbohydrates and electrolytes than GU's Hydration mix, and also delivers amino acids that refuel your muscles and prevent fatigue.

Sportlegs Capsules are good for anyone who likes riding fast or climbing hard or both. The special ingredient is lactate--just like the lactate your body produces. Conventional Wisdom once postulated that lactate was bad for legs, but now it seems that some is good. Lactate here is supposed to...