Doctor insights on:
Lupus And Vitamin B12
I have fibromyalgia and two heart conditions, plus I am B12 and vitamin d and iron deficient, can this be connected with lupus?
Virtually nontoxic: At any dose. I do not believe that you will find very much written on the toxic effects of B12 although I have had a couple of patients who took something on the order of 10x what I had prescribed them was already in the 10,000IU range so they were taking about 100,000IU daily for several weeks and the patient developed diarrhea. When he stopped that resident, within several days diarrhea stopped ...Read moreSee 2 more doctor answers
Needs evaluation: B12 is not toxic so high B12 due to taking it is not bad. If someone has high B12 without taking it then it can be a sign of serious problems including liver ; kidney disease, myelproliferative disorders including leukemia ; polycythemia vera ; hypereosinophilic syndrome. High B12 does not cause these but caused by them. Further tests are needed to find the underlying cause: http://bit.Ly/1hvpcy7. ...Read moreSee 1 more doctor answer
Absolutely: B12 in the form of methyl cobalamin is necessary for numerous biochemical pathways. It can prevent psychoses, nerve tissue degeneration and megaloblastic anemia. Methyl B12 can be given safely at doses up to 3mg intramuscularly and can be given weekly in those patients who cannot absorb it through the GI tract. Otherwise, 2mg oraly is optimal. There are no known side-effects of having to much. ...Read moreSee 1 more doctor answer
Meat, supplements: The best dietary source of B12 is, surprisingly, clams. Beef liver is another good source, though i would only eat this if organic. Salmon & other fish, beef, dairy & eggs are also good sources. Many grains & cereals are fortified with b12. The most reliable vegan source is nutritional yeast but i advise vegans to take a B12 supp. See http://ods.Od.Nih.Gov/factsheets/vitaminb12-healthprofessional/. ...Read more