B12 1000mcg/ml (20ml)

Vitamin B12 1000mcg/mL (20mL) is an injectable synthetic form of B12 (Cyanocobalamin) prescribed to treat or prevent severe deficiencies, pernicious anemia, and related nerve or blood disorders. It is a prescription-only medication administered intramuscularly (IM) or subcutaneously (SC) by a healthcare professional