b12 injections mcg Cyanocobalamin (B12) Injection 1000 mcg/mL, Multiple Dose Vial 1 mL, 25/Tray 12 solution to be administered through injection only Intended for use cats Cyanocobalamin (b12) Injection 2,000 mcg/mL

Examples of research applications include: Metabolic pathway investigation Cell signalling analysis Enzyme inhibition research Molecular metabolic regulation studies Comparative biochemical compound evaluation Intracellular regulatory network modelling Controlled in vitro metabolic studies Grail Formula Quality Every Grail Formula research compound is produced under strict quality control procedures designed to support reliable laboratory experimentation

"Nascobal (Cyanocobalamin, USP) Nasal Spray 500 mcg/spray 0.125 mL Rx only" (PDF)

Injection Technique General subcutaneous guidance from clinical best-practice resources [6]

- Cardiac glycosides: May increase the possibility of arrhythmias or increase digitalis toxicity associated with hypokalemia