Introducing Mucus Relief Guaifenesin 400 mg Fast Acting Expectorant, Thin and Loosens Mucus, Cough, Cold and Flu I Compare to Mucinex Active Ingredients (Small, 300 Count) by NewVue. This product is designed to provide fast and effective relief from mucus, cough, cold, and flu symptoms. It contains guaifenesin, an expectorant that helps to thin and loosen mucus, making it easier to cough up and expel. The thin and loosened mucus can then be easily blown out through the nose or mouth. This product is suitable for adults and children over 12 years of age, and can be taken at any time of the day. It is available in a convenient small size of 300 count, making it easy to carry with you wherever you go. If you are looking for a reliable and effective cough, cold, and flu remedy, then Mucus Relief Guaifenesin 400 mg Fast Acting Expectorant, Thin and Loosens Mucus, Cough, Cold and Flu I Compare to Mucinex Active Ingredients (Small, 300 Count) by NewVue is an excellent choice.