About Carragelose(R,tm) <-> COVID Carragelose(R) is a sulfated polymer derived from red algae with a unique broad spectrum virus-blocking activity. It is known as a tolerable, effective and safe agent for the prevention and treatment of respiratory viral diseases. Multiple clinical and preclinical studies have shown that Carragelose(R) forms a layer on the mucosa that surrounds and inactivates invading viruses, preventing them from infecting cells. Laboratory studies and clinical data have shown that Carragelose(R) can also inactivate SARS-CoV-2., Marinomed holds the patent rights to Carragelose(R) and has licensed Carragelose(R) for distribution in Europe, Canada, Australia and other countries in Asia and Latin America. Marinomed's Carragelose(R) portfolio of nasal sprays and products for the throat can be found at