Build a Box: save up to 20%Free shipping on orders over $200Free 3 ml bac water over $100Orders placed before 2PM ET ship same dayLot-tested by an ISO 17025-accredited US labBuild a Box: save up to 20%Free shipping on orders over $200Free 3 ml bac water over $100Orders placed before 2PM ET ship same dayLot-tested by an ISO 17025-accredited US labBuild a Box: save up to 20%Free shipping on orders over $200Free 3 ml bac water over $100Orders placed before 2PM ET ship same dayLot-tested by an ISO 17025-accredited US lab
For laboratory research use only · Not for human or veterinary use · 21+
Returns

Returns and reships

Unopened vials can come back within 14 days. Lost or damaged packages get one free reship. Here is how each works.

Unopened vials

Return any vial whose cap seal hasn't been cracked, within 14 days of delivery.

Window · 14 days

Lost or damaged in transit

Send your order number and a photo of the damaged package or vials. If the package never arrived, send the order number.

Outcome · One free reship

What can't be returned

  • Vials with a cracked or removed cap seal
  • Requests made more than 14 days after delivery

How to start a return

  1. Email us. Send your order number and which vials to support@blackdiamondpeptide.com.
  2. Get the go-ahead. We'll confirm eligibility and send return instructions.
  3. Ship it back. Pack the sealed vials securely and send them to the address we provide.
  4. Refund issued. Once the vials arrive and the seals check out, we process your refund.