Long lasting energy. 1. Before. 2. During. This bar delivers 16 g of whole grain oats, 9 g of protein and 5 g of fiber for long-lasting energy. Learn about the science behind PowerBar. Nutritional Compass: Good to Know: Did you know that this Harvest Energy bar is a great choice for use before or during moderate-intensity training? Good food, good life. 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! PowerBar is backed by Nestle's worldwide leadership in nutritional science. Nutritional Compass. You're stronger than you think. www.PowerBar.com.