Propolis is produced by bees and is used to seal and disinfect the interior of the hive. It has been known since ancient times for its beneficial anti-inflammatory and antiviral properties. Certified Manuka honey is used to treat colds and coughs and relieve sore throats, as it has antimicrobial properties and strong antibacterial action Echinacea is a traditional medicinal herb, the action of which is directly linked to the treatment of the common cold. In addition, it has remarkable antibiotic and antibacterial action. Vitamin C is valuable for strengthening the bodys defenses during colds, while it has antioxidant and stimulating action. zinc is essential for the development of leukocytes, which are the bodys natural weapon against viruses and pathogenic bacteria, helping to fight infections. vitamin d3 helps to strengthen the immune system, maintain the normal condition of bones, teeth and muscles. in effervescent tablets with lemon flavor.