Plato Pet Treats Mini Thinkers Pumpkin & Turkey are FREE from added sugars, artificial preservatives, by-products, artificial colors, protein-meals, soy, wheat, corn, fillers, and freeze-drying. Slow roasted in our own US Facility, these treats have been sized for training or if you just want a smaller sized treat. Plato Mini Thinkers are grain-free and contain brain-nourishing natural DHA and EPA to support healthy brain function in your dog.