The most pressing issue in the world today is the issue of immunity. Therefore, we have worked on the combination of ingredients that would help us achieve this goal. Fucus algae was the choice. This is brown algae with powerful properties discovered by the Japanese more than a century ago. Fucoidan extracted from Fucus vesiculosus seaweed has been shown to have a range of biological properties, including antiviral, antitumor and immunoregulatory properties. It also improves gastrointestinal tract functions. For the wide range of its biological activity, fucoidan is referred to as «polyvalent biomodulators.