Some common causes of vitamin B12 deficiency include: Autoimmune pernicious anemia Dietary limitations, such as vegetarian or vegan diets Medical conditions that affect absorption, such as celiac and Crohns disease Identifying the specific cause of deficiency can help guide treatment and prevention strategies
To learn how to interpret your COA, review our COA interpretation guide
Manning MC, Chou DK, Murphy BM, Payne RW, Katayama DS
Whether you drive your car to the circuit or unload a purpose-built machine, there is a place to compete for trophies, class honours, and championship points
Arch Intern Med
Book a consultation with a provider at our Lincoln Park clinic or via telehealth anywhere in Illinois