Shipping, Payment, and Returns

Same-day shipping on orders placed before 12 p.m. PT, Monday through Thursday.

Buy Your Antibodies Straight from the Source!

We want our antibodies to get to you fast. That’s why we ship all orders via FedEx Priority service. All of our products are on-site here in Davis, California, and can be on your bench tomorrow!*



Canada, Mexico

International, Puerto Rico**






*Orders must be placed by 12 p.m. PT in order for same day shipping to apply.

**Customers are responsible for any customs duties and fees.

Note: Your order may arrive with ice packs partially or entirely melted. This is normal and will not affect the quality of your antibody.

View our policies here.


We accept both credit cards (Visa, MasterCard, AMEX) and purchase orders.

Invoices are sent to the billing address you specify when checking out.

Billing questions? Contact our accounting team at

View our policies here.


Please see our Antibodies Inc. Guarantee.

Need a quote?

Submit the form on this page, and we'll send your quote right over!

International distributors

See our list of distribution partners here.

Get Started Online

For general inquiries, or to receive a consultation and quote on any of our offerings, submit your project details below. We will respond within two business days.