Nasal spray with antibodies against SARS-CoV-2, which helps to prevent the spread of the virus.

    Read more



    Profemina intimate cream
    (available soon)

    Probiotic cream for women health. Lactobacillus crispatus

    Read more



    Profemina probiotic capsules
    (available soon)

    Probiotic capsules for women health. Lactobacillus crispatus




In less than a year, unique nasal spray with antibodies against SARS-CoV-2 was developed, bottled and marketed. This successful ongoing project and collaboration is carried out between universities, researches and companies. Further developments of the conception and product are in the making


  • Developer of the original concept for the product and technology
  • Provision of oversight of ultrafiltration, purification, and activity assessment of the whey-derived antibodies, based on which a safe and effective antibody solution was formulated
  • Coordination of activities to generate a patent and ensure intellectual property protection for the invention in collaboration with other partners (Teadus ja Tegu and Chemi-Pharm)
  • Provision of assistance to Chemi-Pharm with obtaining product approval and registration

AS Chemi-Pharm

  • Development of the final recipe of BioBlock nasal spray in collaboration with University of Tartu and Icosagen
  • Coordinating the registration processes to get market licence and product approval, in collaboration with Icosagen
  • Manufacturing and packaging of BioBlock
  • Marketing and distribution of BioBlock, in collaboration with Icosagen
  • Developing BioBlock platform under Medihex brand

University of Tartu

Institute of Pharmacy
Role: Development of the final formulation of the nasal spray in collaboration with Chemi-Pharm and Icosagen

Institute of Biomedicine and Translational Medicine
Role: Leading the bovine immunization process.

Institute of Technology
Role: Determining the SARS-CoV-2 neutralization efficacy of bovine antibodies

Estonian University of Life Sciences

Institute of Veterinary Medicine and Animal Sciences
Role: Milking procedures of bovine colostrum. Keeping of and caring for immunized animals.

Teadus ja Tegu

Role: Processing bovine colostrum for the removal of lipids and casein. Final production of colostrum whey.