Foods for Energy. If you have to drag yourself through the day, it’s easy to think popping a supplement or chugging an energy drink can help recharge your battery. Not so fast. All-day energy doesn’t come from a pill or a concoction in a can. It comes from real food, which is packed with nature’s secret stash of natural revitalizers such as complex carbs, protein, and fiber. Stock up on these 12 superfoods and watch your energy rebound.