This is a strange question (or maybe not?): does anyone experience side affects from large amounts of B12 being constantly eliminated they your kidneys and ruination process? First if all I was born with only one functioning kidney. So worried about that there might be side affects. Second: since this all started my urine has a very different medicine odor and at times irritates despite meticulous hygiene practices. Is this just me? I figured if all of us are peeing on a daily basis huge amounts of B12 someone out there might have an answer for me?