Muco Coccinum 10 tabs by Unda is a homeopathic remedy taken to relieve the symptoms that come with colds and flus. Its ingredients include the strains of the strongest flu strains in order to stimulate the body’s defenses, boosting the immune system. While it does not prevent the flu, it helps the body react better to an infection. It has been shown to boost the lymphatic and lung tissues which then heightens the functionality of the immune system.