B12 Shot or B12 InfusionWhich is Right for You? Both options deliver B12 effectively. B12 Infusions (IV's) provide extra hydration and nutrients and takes up to 45 50 minutes to administer, while B12 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 Peptide Therapy 5 Amino 1MQ Revolution Health & Wellness Understanding Pernicious Anemia and Vitamin B12 Deficiency Muhammad Qasim posted on the topic LinkedIn How Often Should You Get B12 Injections? Infusion For Health