Shilling test Basics Urine Color After Vitamin B12 Injection B12 Injection sites + How to use B12 Shots Safely When the marrow wakes up potassium disappears B12 replacement triggers a metabolic surge Cells pull potassium inside serum levels crash The recovery phase is actually the danger Vitamin B12 shots: Uses, benefits, and side effects A physician orders Schilling Test to be performed for a client suspected of having pernicious anemia. Order the steps below in completing this procedure. 1. Give oral radioactive vitamin B12 supplement before