Coverage friction changes that calculation
Your provider should evaluate both your genetic predispositions and your ability to maintain cold-chain logistics
Basic Res Cardiol 88(4):362370 Powers CM, Yen J, Linney EA, Seidler FJ, Slotkin TA (2010) Silver Exposure in developing zebrafish ( Danio rerio ): Persistent Effects on Larval Behavior and Survival
Aliquots (750 L) of red blood cells were added to centrifuge tubes, followed by addition of the same volume of the optimized SSPH-MPN suspension with different concentrations (25, 50, 100, 200, 300, 400 to 500 g/mL)
Two common forms are methylcobalamin and cyanocobalamin, and your provider chooses based on your situation