Vegetarians sometimes have trouble making sure they get enough protein in their diets. Protons are a new, poppable snack made with super-crunchy tofu. They are bite-sized nuggets that come in both sweet and savory flavors: Original Crunchy, Backyard Bar-B-Q, Tomato Herb Garden, Cinnamon Toast, and Lemon Meringue Pie. Protons' features, including that they are organic, vegan, and cholesterol-free, give the new product its what?