Metformin is one of the most common drugs used to control blood sugar levels in patients with diabetic mellitus type 2. But does it causes erectile dysfunction? Watch this video to find out with evidences of 3 recent research articles. Timeline: 0:00 Introduction 0:33 Erectile Dysfunction causes 1:09 Study by TAU (Translational Andrology and Urology) 2:53 Study by Current Vascular Pharmacology 5:13 Study by Journal of Clinical Diagnoses and Research