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About EastCoast Bio

Medix Biochemica acquired EastCoast Bio in June 2020 to provide customers a wider and more comprehensive IVD reagent product portfolio. EastCoast Bio operations were moved in September 2021 to Lee Biosolutions located in Saint Louis, Missouri USA. Lee Biosolutions was acquired by Medix Biochemica in 2019. In April 2023, East Coast Bio and Lee Biosolutions will merge into the legal entity named, Medix Biochemica USA.

Celebrating its 25th year in 2020, EastCoast Bio has been a supplier of high quality antigens, antibodies, and specialized immunoassay reagents for the in vitro diagnostic (IVD) manufacturing industry worldwide. Large and small manufacturers all over the world use their raw materials to develop their own immunoassays. They continue to expand their product range of cardiac markers, drug of abuse (DOA), hormones, infectious diseases, serum proteins, tumor markers, neurology and veterinary products.

The Diagnostic Industry, Biotechnology and pharmaceutical companies, as well as researchers from universities, hospitals and biomedical research facilities, rely on EastCoast Bio for quick service, consistently dependable products, and knowledgeable support. They offer a wide selection of industry-proven, high-performance immunoassay products. Their well-stocked inventory and speedy customer service let us deliver the quantity of products you need as soon as possible — keeping your critical projects on track.

Led by a highly qualified staff that understands the industry inside and out, EastCoast Bio only offers products that meet the toughest standards for quality. Their customers include major manufacturers that build widely-used, commercially-available kits with our components – because they know they can rely on EastCoast Bio’s unwavering quality year after year.


  • antibodies
  • in vitro reagents