Mucus and Phlegm Guaifenesin: The Answer To Fibromyalgia? by Guaifenesin.org August 27, 2022 by Guaifenesin.org August 27, 2022 1.4K views 5 mins read Guaifenesin: The Answer To Fibromyalgia? There’s been a lot of buzz about guaifenesin (pronounced ‘gwhy-FEH-neh-sin’) in treating fibromyalgia… Read more