run for prolonged periods. It will carry you through long training efforts, but your body can only store roughly 1,600 calories, which is why you need to refuel on the go if you’re running for more than a couple of hours. Simple v complex

with naturally occurring nitrates. Taken for three days before an event, the gels up the efficiency of your oxygen-delivery systems, boosting your endurance. So much so, you had plenty of energy left to cast your votes for thisBEST WOMEN’S APPARELNIKEThe Swoosh

Runners know that the miles they log on the road, trail and treadmill are great for keeping them fit, and that running is an amazing weight-control tool. However, losing the weight in the first place is a different story. Runners often think