I receive monthly intramuscular vitamin B12 (cobalamin) injections, but my serum B12 level measured two weeks after the injection is only 268 pg mL; why is it low and how should the dosing 10 B12 WEEKLY SHOTS Just Lose Weight Benefits of B12 Injections for Optimal Health Vitamin B12 Vitamin D Life
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how many units of b12 should i inject weekly Understanding The Benefits of B12 Shots for Weight Loss