picture of vitamin b12 injection The Advantages Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine Compounded Hydroxocobalamin (Vitamin B12) Injection

But since an IV goes directly into the bloodstream through an injection, it means that you dont need to worry about missing out on some of those benefits

Medically Reviewed on 6/10/2026 Harvard T

Individual Safety Profile: Suitability depends on diagnosis, medical history, current medications, and clinician evaluation

PROTECT FROM LIGHT STORE AT CONTROLLED ROOM TEMPERATURE 20-25C (68-77 F) [SEE USP CONTROLLED ROOM TEMPERATURE] For Single use Only

Subcutaneous Injection Advantages Easy to administer Once a person is trained, they can easily inject themselves in the stomach or thigh area

As an example, a CD38 inhibitor may cause off-target effects if it binds to other molecules structurally similar to CD38, potentially affecting the drugs safety and effectiveness [108]