Created by Nutritionists. It was a challenge. Most bars out there just weren't that nutritious. And the few that came close didn't taste that great. As practicing nutritionists, we refused to compromise on nutrition or flavor. Zing is the answer. The most complete nutrition bar you can find, and on you'll actually love to eat. Gluten Free Certified. 100% natural. 13g Protein. 3g Fiber. Gluten & Soy Free.