B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn Vitamin B 12 3000 mcg Injection, 100 mL Petco At Home Vitamin B12 4 Week Injection Package MUST BE A FLORIDA RESID CardioMender, MD Vitamin B12 injections support energy, metabolism, and nervous system health. Come see us and enjoy our B12 injection for only $15 for members and $20 for non members. Ask us if it's right At Home Vitamin B12 4 Week Injection Package MUST BE A FLORIDA RESID CardioMender, MD