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R&D Systems offers a wide range of antibodies to cytokines, adhesion molecules, proteases, neurotrophic factors, stem cell factors, signal transduction molecules, and developmental proteins. Monoclonal and polyclonal antibodies are available with multiple labeled options or unlabeled. With over 20,000 antibody products validated in 25+ species and 15+ applications, our antibodies fit into all work flows.
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The R&D Systems Approach to Quality
Our commitment to quality is unmatched. Learn more about how we generate our high-quality antibodies.
Built for Reproducibility
Results are everything, trust our antibodies. Learn more about our legacy and commitment to antibody reproducibility.
Bulk Antibodies
We have the ability to scale up antibody production to meet your needs. Economical pricing means you don't have to sacrifice quality to meet your budget.
Custom Antibody Development
Utilize our expertise in cloning antigens and in-house antibody development processes to create the antibody of your choice.
Recombinant Monoclonal Antibodies
Minimize one source of experimental variability with our selection of recombinant antibodies from rabbit, mouse, and rat host species.
Secondary Antibodies and Antibody Controls
Find the right secondary antibody and antibody control for your primary antibody.
Immunohistochemistry and Immunocytochemistry Antibodies
Highly specific antibodies for IHC and ICC. Click to learn more and see a listing.
Flow Cytometry Antibodies
Conjugated antibodies for surface and intracellular staining. Available in 100 tests and or 25 test sizes.
See Our Complete List of Matched Antibody Pairs for ELISA
Qualified capture and detection antibody pairs for assay development on various assay platforms.
Epitope Tag Antibodies
Antibodies for the identification and purification of epitope-tagged molecules.
Simple Western™ Certified Antibodies
The largest collection of Simple Western certified antibodies. All antibodies certified in-house by our experienced scientists for use on your Wes, Sally Sue, and Peggy Sue.
Blocking/Neutralizing Antibodies
Our extensive collection of proteins and our bioassay expertise allow us to provide the best and most dependable selection of blocking/neutralizing antibodies on the market.
Protocols
Optimized protocols for Flow Cytometry, Immunohistochemistry, Western blot, and other applications.
Biosimilars
Our Biosimilar Antibodies are recombinantly expressed using the same sequence as the Therapeutic antibody. They are a great option for research use.