Peptides Bioscience

Contact us

Questions about an order, a batch, a Certificate of Analysis, shipping, or general research inquiries — reach our team directly using the channels below.

Email support

Typical response within 1 business day.

Support hours

Monday – Friday, 9:00 AM – 5:00 PM MT
Excluding U.S. federal holidays.

Mailing address

Peptides Bioscience LLC
30 N Gould St Ste R
Sheridan, WY 82801
Returns are not accepted at this address without prior written authorization.

Order issues

For damaged shipments, wrong items, or missing items, contact us within 48 hours of delivery.
See our Refund Policy for full claim requirements.

Before you write

  • For an order question, include your order number and the email used at checkout.
  • For a Certificate of Analysis request, include the SKU and batch number (printed on the vial label).
  • For a damaged or incorrect shipment, attach clear photos of the product, packaging, and shipping label.

Peptides Bioscience does not provide medical, clinical, pharmaceutical, dosing, or health advice. All products are sold strictly for in-vitro laboratory research by qualified researchers and are not for human or veterinary use.