The Echinamide anti-viral tincture from Natural Factors contains organic Echinacea and fresh plants, whose combined ingredients and properties are proven to combat viruses that attack the upper respiratory tract. Its antibacterial and antifungal properties can help relieve sore throats. Can help boost the immune system against viruses and bacteria. In your fight against colds and flus, this product can help reduce the duration and intensity of aches and pains before they get worse.