Wholesome, Tender Mini Bites for All Your Adventures in Training. Training is one of the biggest adventures you and your dog will set off on together. And with the right treat, you can keep each and every moment healthy and deliciously fun. At less than 3 calories per treat, Zuke's Mini Naturals are the perfect little size to fit every trainable moment that pops up. These tasty, tender morsels are specially crafted in the USA using the Earth’s best ingredients — like protein-rich meat, wholefood berries, savory herbs and NO corn, wheat or soy.