Hello good evening sir /madam I am suffering from vitamin B12 deficiency mine is 111pg/ml out of (180-914) pg/ml, sir I fell almost every day that I have lost some memory and sometimes I try to recall something and I unable to do it, I also fell like itching, needle ,burning mostly in lower region of left leg. Sometimes tightness sir can you tell me how should I can recover from this quickly and efficiently.