More recently, in 2010, a case study showed anecdotal evidence of improvement in one patient's sperm count and motility after taking guaifenesin 600 mg extended release tablets twice a day for two ...
"US Food & Drug Administration (USFDA) has tentatively approved its Abbreviated New Drug Application for Guaifenesin extended-release tablets, 600 mg and 1200 mg (OTC)," the company said in a ...