22,23 In patients with a normal or low-normal serum vitamin B 12 level, complete blood count results demonstrating macrocytosis, or suspected clinical manifestations, a serum methylmalonic acid level is an appropriate next step 1,2,6,18 and is a more direct measure of vitamin B 12 's physiologic activity
Babula JJ, Bui D, Stevenson HL, et al
Cyanocobalamin (Vitamin B12) 1,000mcg per mL
You should never attempt to determine your own dosage
$5.99 20 in stock Bacteriostatic Water (BW) is sterile water for injection preserved with 0.9% benzyl alcohol, which inhibits bacterial growth and allows multi-dose use of a single vial over an extended period
Receiving cyanocobalamin through injections is entirely safe for health