where do u inject b12 Choosing the Right Needle and Syringe for Injections: A Complete Guide The Truth About B12 Injections:

For very lean individuals, a shorter needle or pinched skin prevents intramuscular injection, which causes more pain and potentially different absorption kinetics

Understanding Vitamin B12: The Energy Vitamin Vitamin B12, scientifically known as cobalamin, belongs to the B-complex vitamin family and plays indispensable roles throughout your body

Can be given IM or IV

Most people feel better within 24 to 72 hours of their first B12 shot

For AOD-9604 (5 mg vials) , add 2 mL of bacteriostatic water to create a concentration of 2.5 mg per mL (or 2,500 micrograms per mL)

For individuals significantly above 250 pounds, extended protocols of 16-20 weeks rather than higher daily doses often produce better outcomes