Contact Us
Contact Guardian Peptides
Questions about an order, invoice, product documentation, or availability? We’re here to help through email, live chat, text support, and clear written communication.
U.S.-Based Fulfillment
All orders are carefully packed and shipped from within the United States.
Order & Invoice Help
Need help with an invoice or order status? Include your order number for faster support.
Documentation Support
Questions about supplier-provided COAs or purity documentation? We’ll point you to the right information.
Send us a message
Use the form below for order questions, invoice support, product documentation requests, availability questions, or general help. Most inquiries receive a response as quickly as possible, typically within one business day.
Helpful details before you reach out
Do you have a physical store?
No. Guardian Peptides is an online-only research supply business and does not offer walk-in retail service.
Where do orders ship from?
All orders are fulfilled and shipped from within the United States.
Can I call?
We prioritize written support through email, text, and chat so we can review details carefully and provide accurate responses.
How can I get the fastest help?
If your question is about an order, include your order number and the email address used at checkout.
Where can I view purity documentation?
Visit our Purity & Documentation Standards page for available supplier-provided documentation.