preservative free b12 injection Hydroxocobalamin 20 mg/mL -Compounded Solution This prescription form of Cyanocobalamin has 1000 mcg/m Out of Stock - VITAMIN
Description
Research Use Only Supplied strictly for laboratory and analytical use

You feel fine while they deplete
Another cause - granted, identified as rare - is a B12 deficiency

Weekly injections work fastest, especially in severe cases of malabsorption
