where is the best place to inject b12 shots Vitamin Injection Sites Best Vitamin B12 Injection Sites:

[7] Hydroxocobalamin is the preferred formulation in the UK and carries a lower risk profile, though it may cause a harmless reddish discolouration of urine

Low dead space syringes reduce this waste significantly

J., Arola, H., & Malmivaara, A

It is available in certain clinics under compounding programs, but quality and consistency can vary widely depending on the source (FDA PCAC briefingcompounding context)

Safer metabolic profile

MIC B12 Benefits and B12 With MIC Benefits: Whats Plausible vs Proven Energy and Fatigue Best-supported scenario: If you have vitamin B12 deficiency, replacing B12 can improve deficiency-related symptoms (NIH ODS provides an overview in its Vitamin B12 fact sheet )