Questions about a product or an order? Email us and we will get back to you. We typically respond within 24 hours on business days.

• Email: support@diathor.com
• Support hours: Monday – Friday, 9 AM – 5 PM Central Time
• Business address: diaTHOR, operated by Vadii Inc., 18702 Tupper Creek Ct, Tomball, TX 77377, United States
• Returns address: diaTHOR, 806 Summer Park Dr, Suite 250, Stafford, TX 77477, United States. Please contact us before sending a return.
• Facebook: diaTHOR on Facebook

Orders, returns and refunds

If there is a problem with your order, email us your order number and a short description of the issue. Unused, unopened items can be returned within 30 days of delivery. See our Refund Policy and Shipping Policy for details.