Free Secondary Antibody

Buy Primary Get Secondary FREE

Get one secondary antibody for free (biotin or HRP conjugated) with each purchase of any primary antibody! All other secondary antibodies, including fluorescence or colloidal gold conjugates, will be 50% off when purchased with any primary antibody. Boster will match each primary antibody you order with a conjugated secondary antibody validated for WB, IHC, Flow cytometry, and more. This promotion is applicable to all countries.

*Secondary antibodies must be ordered together with primary antibodies to qualify for the promotion. Contact us for any questions.

• HRP Conjugated (Free!)
• Biotin Conjugated (Free!)
• Fluorescence Conjugated (FITC, DyLight®488, Cy3, TRITC) (50% off)
• Colloidal Gold Conjugated Secondary (50% off)

To browse all available secondary antibodies, visit our Secondary Antibodies page.