28th August 2020

A 17-year-old girl attends the Emergency Department (ED) with general weakness and tingling in her hands and feet

A 17-year-old girl attends the Emergency Department (ED) with general weakness and tingling in her hands and feet. She is irritable. Usually, she is fit and well, although she has reported feeling tired recently. She takes part in sport regularly and has followed a vegan diet for several years. 

Given the likely diagnosis, which of the following vitamins is she MOST likely to be deficient in? 

Select the SINGLE most appropriate option from the list below. Select ONE option only.