In response to demand for its first Keto Protein Bar, think! expanded its keto offering with the introduction of two new flavors: Chocolate Mousse Pie and Chocolate Peanut Butter Cookie Dough. The new flavors, along with the bar that started it all — Chocolate Peanut Butter Pie — are now available. think! Keto Protein Bars offer 10 grams of protein, one gram of sugar, are gluten free, keto certified and 180 calories or less.