question: I AM 57 YEARS OLD. FOR THE PAST ONE MONTH I HAD A PAIN IN MY LEFT LEG KNEE. I FEEL LIKE THAT SOMEBODY IS PULLING MY NERVE FROM LEFT LEG KNEE TO MY WAIST. AT THAT TIME I FELL UNCONFORMTABLE FOR STANDING. AFTER SOME TIME IT WAS NORMAL. IS IT ADVISBALE THAT I CAN TAKE RENERVE CAPSULS FOR THIS PROBLEM. MY MAIL ID. YYYY@YYYY