Contact, Write to us

Email is the quickest way to reach us. Put the order number in the subject if your question is about an order.

Email

Monday to Friday, 09:00 to 17:00 ET.

Order status, tracking and invoices are in your account. You sign in or open one at checkout.

Send us the batch number from the box label and we will send you its certificate of analysis, or open it yourself at tjqxgdlab.com.