All orders are processed within 1 to 3 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive another notification when your order has been shipped. Domestic Shipping Rates and Estimates are closed in our landing page at the time of the purchase. We offer 4–7-day delivery all across United States.

How do I check the status of my order?

When your order has shipped, you will receive an email notification from us which will include a tracking number you can use to check its status. Please allow 48 hours for the tracking information to become available. If you haven’t received your order within 7 working days of receiving your shipping confirmation email, please contact us at support@nightdryresearch.com with your name and order number, and we will look into it for you. Refunds, returns, and exchanges Within 60 days of your purchase, you are eligible for a full refund as per our 60 days money back guarantee. See our Refund Policy here: [Link to the refund policy]

In the event that your order arrives damaged in any way, please contact us as soon as possible at +1 (844) 201 2232, support@biotiwa.com,  (with your order number and a photo of the item’s condition). We address these on a case-by-case basis but will try our best to work towards a satisfactory solution. If you have any further questions, please don’t hesitate to contact us at +1 (844) 201 2232, support@biotiwa.com.