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

BioBlock® nasal spray

BioBlock® nasal spray is a natural product that contains antibodies against SARS-CoV-2 along with naturally occurring beneficial antibodies in colostrum which humans benefit daily while consuming dairy and meat products. In vitro testings demonstrated that the product blocks the entry of viral particles into cells.
Tests were performed against initial Wuhan and newly mutated SARS-CoV-2 variants  – Indian (Delta B.1.167.2, Kappa B.1.617.1), UK B.1.1.7, South African B.1.351 and Brazil P.1.

BioBlock® can be used wherever it is difficult to distance from others: at home, at work, at school, in gyms, in public transportation and in crowded places. This natural product does not cause dryness of nasal mucous membrane.

BioBlock® is not a medicine.


1-2 sprays into each nostril, 3-4 times a day, and before and after visiting crowded places. After blowing the nose, it is recommended to use the spray again.

BioBlock® is effective on the nasal mucosa up to 4 hours.

The product contains 150 spray doses.


Store at room temperature. After first usage utilize within 3 months. Best before presented on the package.

Net quantity

BioBlock® contains 15 ml of solution.


A USPTO patent application (No. 63/160,833) has been submitted by the product developers.

Warnings and precautions

Do not use if allergic to milk proteins or to any of the other ingredients in this product (especially under 6 y/o children).

If pregnant, breastfeeding or before using the product for and by children, contact your healthcare professional.

Do not exceed the stated daily dose. Keep this product out of reach of children.


Bovine colostrum derived SARS-CoV-2 antibodies (0.2 mg/ml)
Phosphate buffer: DPBS (without Ca and Mg salts)
Viscosity enhancing compounds: PEG400, PVP K30
Preservative: sodium benzoate
Acidity regulator: citric acid
Mucous membrane moisturizing compound: glycerol
Potassium chloride – buffer component
Potassium dihydrogen phosphate – buffer component
Sodium chloride – buffer component
Disodium phosphate – buffer component

Product does not contain lactose.