Our products are intended strictly for laboratory research and are not for human or animal use. We cannot provide dosing, administration, or personal-use instructions.
We can help with product specifications, storage information, and Certificates of Analysis (COAs). For these questions, please contact support@greystonebiotech.com. Researchers are responsible for following their institution’s approved protocols and safety procedures.
Only the peptide vials are included in your order. No additional supplies are provided.
You’ll see all available payment methods on the checkout page before completing your purchase.
All payment options use secure payment processing.
Once your order payment is confirmed, we process and ship orders Monday–Friday, and usually Saturdays. Our standard shipping method is FedEx 2-Day, with delivery typically taking two business days after shipment.
Orders with payment confirmed after 1 p.m. Eastern Time will be processed and shipped the next shipping day. During periods of high order volume, please allow one additional day for processing. You’ll receive tracking information once your order ships.
Once your order has been packaged, we’ll email you a tracking number. You can also find your tracking information by logging into your account and viewing your order details.
Please allow time for the carrier to receive your package and update the tracking status.
We currently ship only within the contiguous United States—the 48 adjoining states. We do not ship to Alaska, Hawaii, U.S. territories, or international destinations.
Packages do not require signature upon delivery unless otherwise stated at checkout.
All sales are final due to the nature of our research-use-only products. However, if your order arrives damaged, is incorrect, or has missing items, please email support@greystonebiotech.com within 7 days of delivery with your order number and clear photos of the affected items, packaging, and shipping label. Keep the items and packaging while we review your claim.
If your shipment appears lost, contact us so we can investigate with the carrier. Verified damaged or lost shipments qualify for a replacement at no additional cost or a refund. Shipping delays alone do not qualify.
Packages marked “Delivered” but not received are reviewed individually. Reimbursement is not guaranteed for theft after confirmed delivery or an incorrect address entered at checkout.
Approved refunds are issued to the original payment method whenever possible and typically take 5–10 business days to process. This policy does not limit your rights under applicable law.
If your order has not been shipped yet, you may be in time to modify or cancel your order. Please send us an email as soon as possible to support@greystonebiotech.com, and include your order number so we can assist you
This is normal. Once we verify payment has been received, your order status will change to ‘Processing’. Order status change may take some time to reflect on your order after payment.
