I am a hypothyriod patient.Now I have the report of pernicious anemia.I am very thankful to God my report is normal.I have no intrinsic antibodies. Now I have the recent blood report of vit b12 which is 463pg/ml and reference range is 189- 883 pg /ml.I have no injection of vit b12 from last four month but I take two tablet of vit B complex in a week.Is my vit b12 level is sufficient ?