Okay so I have develped this weird rash seems to appear only on the bottom half of me. My feet and hands get tingly at times. I was just curious as to b12, and or calcium??? It goes away after I rub on it. Its almost like a circulation problem. I have an okay.multivitamin and has b vitamin complex that I take. As well as acidiphilous, and calcium , magnesium, zinc combo. Confused any ideas thanks! I thought it was lotion at first, but its only on legs it seems!