TriCo Advanced is a well-established e-commerce seller and fulfillment company. We sell a wide-range of merchandise from supplements to electronics. We are a family-owned business operating in NY since 1997. Every customer is important to us and we strive for a 5-star experience. If you have an issue of any kind, for any reason, contact us for an immediate resolution. Contact Us 24-7 Our shop online customer service hours are 9:00am to 3:30pm (eastern) Monday through Friday. The best way is to use our online special help desk here: www.orderhelp.info - Once there, you will notice the header "CS Corp Order Help". We will get back to you quickly as we monitor this help desk frequently. Please note: Opened bottles or packages of dietary supplements are not returnable.