MD Weight Loss Rx can help you lose weight without any prescriptions or pharmacy visits. For more than a decade, Semaglutide sodium has been used to treat diabetes as a GLP1-RA (glucagon-like peptide 1 receptor agonist). FDA recently approved Semaglutide Sodium as the "best-in-class" GLP-1 RA for weight loss, despite these agents causing weight loss for some time.