Urine Color After Vitamin B12 Injection Excess B vitamins, especially B2 (riboflavin) and B12, can cause urine to appear bright yellow..this is expected. , ., ., #nursepractitioner #nurse #urology #healthcare #urologynp 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 PDF) Determination of Vitamin B 12 in Equine Urine by Liquid Chromatography Inductively Coupled Plasma Mass Spectrometry Compounded Hydroxocobalamin (Vitamin B12) Injection Cherry Red or Raspberry urine LITFL Unusual Urine