<s>[INST] I was diagnosed with a B12 deficiency two months ago? I was at 118. Post taking the B12 shots it rose to 879. I stopped taking the shots and was put on one pill (Nurokind Plus) per day. Now I am on 495. Is this the right range since I occasionally get goosebumps/chills in my head. The genesis is head and then moves it across my should body but not to my legs or waist.. Please advise [/INST] Hello, this level of vitamin B12 cannot explain your symptoms. 495 is within normal range which means that other cause have to be sought. Sometimes oral vitamin B12 cannot be absorbed adequately, but this is not usually so with doses that equal to (or exceed) 1000 mg. If the pills you're taking are 1000 mg or more than this is supposed to suffice. Checking your vitamin B12 would be helpful to guide treatment. I hope I've helped! If you'd like more information on this subject, please let me know and I'll be glad to answer. Kind Regards! </s>