Given by a licensed RN, side effects are usually limited to brief soreness, redness, or mild swelling at the injection site
You are receiving or have been advised high-dose B12 therapy and want to monitor your levels
Cardiovascular Health: Certain B vitamins, such as B6, B9 (folate), and B12, help regulate homocysteine levels, reducing the risk of cardiovascular issues like heart disease and stroke
Doses are usually smaller than IV infusions, given more frequently
Healthcare system inertia makes systematic changes difficult to implement and sustain
Only use water specifically designated for injection, and for multi-dose vials, only bacteriostatic water