Food and Drug Administration (FDA), and are not intended to diagnose, treat, cure, or prevent any disease or medical condition
[1] Store the vials in their original carton or in an opaque container within the refrigerator to minimize light exposure
Hydroxocobalamin (Vitamin B12) Injection Hydroxocobalamin (Vitamin B12) Injection (10 mL Vial) Product Overview Hydroxocobalamin (Vitamin B12) Injection is a compounded sterile solution of hydroxocobalamin, a form of vitamin B, typically supplied at a concentration of 2 mg/mL in a 10 mL vial
Always seek professional guidance
Patients report less burning with a subcutaneous administration, which gives it a slight advantage over an intramuscular injection, according to the CDC
But, you might see changes in a few weeks to months