thinkThin® Protein & Fiber Bar Cinnamon Bun White Chocolate. Naturally flavored. 150 Calories. 10g protein. 5g fiber. 5g sugar. Per serving. Finding nutritious, delicious snacks on the go was always a challenge for me, so I created thinkThin® protein & fiber bars. With thinkThin® protein & fiber bars, my goal was to create a bar with a wonderful balance of protein and fiber to help keep you full and satisfied - all for 150 calories. Plus, each bar is gluten free and made with 100% non-GMO Ingredients. To your vitality, (founder of thinkThin®. thinkThin® 866.98THINK. www.thinkproducts.com. Manufactured in a plant that also processes tree nuts, peanut and egg. GF. Certified gluten-free by GFCO. 100% non GMO ingredients.