Clear answers. No runaround.

Unused and unopened items may be exchanged within 30 days of the order date when they remain in their original sealed packaging. Reconstituted products are not eligible. Customers cover exchange shipping unless the item was damaged in transit. Contact support before sending anything back.

Unused and unopened items may be returned within 30 days of the order date in their original sealed packaging. Reconstituted products are not eligible. Return shipping is the customer’s responsibility unless the item was damaged in transit, and a 20% restocking fee applies. Refund processing time varies by payment method. Contact support for return instructions.

Contact support as soon as possible and include clear photos and video of the damaged item and packaging. The documentation is required for review. Approved transit-damage cases are eligible for replacement.

Send support a photo showing every item received along with the itemized invoice included in the package. Once the shipment is verified, the team will arrange the correction.

Bulk pricing may be available for select products and cannot be combined with other discounts or codes. Availability varies by category. Contact support with the products and quantities you need for current eligibility and pricing.

No. Products identified as liquidation, clearance, or discontinued inventory are final sale and are not eligible for refunds, returns, or exchanges. Review the product details before checkout.

Sale pricing is limited to the published promotion dates and is not applied retroactively. Subscribe to email and SMS updates to hear about future promotions.

Yes. Orders ship in standard carrier packaging with no description of the contents on the exterior. The return address appears as “SHIPPING MANAGER.”

Email [email protected] immediately with your name, order number, and corrected address. The team will make a reasonable effort to update an order before shipment, but the address cannot be changed after the carrier has accepted the package.

Optional shipping insurance is available during checkout for $4.95 and covers eligible packages lost in transit. It does not cover packages stolen after confirmed delivery. Insurance charges are non-refundable, though store credit may be available when insurance was added accidentally. Transit damage still requires photos and video for review.

Check around the property and with nearby neighbors, then contact the local carrier office. UPS and FedEx may provide delivery photos or GPS confirmation. Contact support if a carrier claim is needed. Packages confirmed delivered by carrier evidence are not covered as lost-in-transit claims; suspected theft should be reported to the carrier and local authorities.

Available product certificates can be reviewed in the Lab Results archive. Top Gun Compounds products are sold strictly for laboratory and research use only—not for human consumption, veterinary use, diagnostic use, or therapeutic use.