Peptide Scientific Labs

Check the Certificate of Analysis section on this product page or search the COA library by product name. Match the product, strength, and lot code to the certificate. Batch-specific COAs are available for applicable research materials. If you cannot find a matching report, contact support before ordering.

Do not use a COA from another product, strength, or lot as a substitute. Contact support with the product name, strength, lot code, order number if applicable, and details of the discrepancy so the documentation can be reviewed.

In-stock orders are generally processed within 1–2 business days, Monday through Friday. Orders are not processed or shipped on weekends. Domestic delivery typically takes another 3–5 business days after dispatch, depending on the destination and carrier. High order volume, weather, holidays, and backorders may cause delays. These are estimates, not guaranteed arrival dates. See Shipping Information.

Email [email protected] within 48 hours of delivery. Include your order number and clear photos of the issue. Damaged, leaking, incorrect, or missing items are covered under the Return & Resolution Policy, which provides a free replacement shipment or store credit, your choice.

All sales are final. Returns and exchanges are not accepted. Damaged, leaking, incorrect, or missing items are handled separately under the Return & Resolution Policy, which provides replacement shipments or store credit rather than a refund. Contact support within 48 hours of delivery with your order number and clear photos of the issue.