Struggling to identify which foods are best for your pet? Eliminate trial and error! Just like us, over time our pet's digestive system can change and food sensitivities can happen. The best way to identify which foods are creating digestive symptoms is with a food sensitivity test. With a small sample of fur, (yes fur!) petChek identifies foods potentially causing digestive upset in your pet's system. No shipping fees! After ordering you'll receive instructions for collecting and sending your pet's sample to us! refund policy for gutChek testing Our No. 1 goal is a happy healthy customer. If you change your mind after purchasing, we will be able to offer you a full refund provided that you notify us of your decision to cancel your order before mailing in your hair sample. If you’ve mailed your hair sample to gutChek and/or if we have received your sample, no refunds will be issued. The following information will be required in order to process your refund: Order No. Name used to purchase Email address used to purchase Payment method and transaction ID or number Transaction amount Date of purchase If you have any questions, please contact client care at clientcare@gutchek.me and we’d be happy to help!