Injectable B12 bypasses the digestive system and goes straight into your bloodstream
Factors That Affect How Long B12 Stays in the Body Several factors influence how long B12 stays in the body, including health conditions, metabolism, and age
While oral supplements are available, B12 injections are often considered more effective because they deliver the vitamin directly into the bloodstream for improved absorption
Patients have also occasionally experienced thyroid tumors
Many patients pick the same time each week, such as Monday morning or Friday afternoon, so the visit becomes a simple habit
B12 shots commonly cause localized pain, while IV infusions carry additional considerations related to venous access and fluid delivery