Long lasting energy. 3: After. With other natural flavor. This bar delivers 17 g of whole grain oats, 9 g of protein and 5 g of fiber for long-lasting energy. Learn about the science behind PowerBar. Good food, good life. Good to Know: Did you know that this Harvest Energy bar is a great choice for use before or during moderate-intensity training? Good to Remember: Proper fueling has a big impact on how you feel and perform no matter what you're tackling, whether it's climbing, hiking or skiing! Nutritional Compass. PowerBar is backed by Nestle's worldwide leadership in nutritional science. You're stronger than you think. www.PowerBar.com.