CSSD Practice Exam 2026 – Complete Study Resource

The focus on B12 as a nutrient that is specifically low in vegetarian diets is well-founded. Vitamin B12 is primarily found in animal products, including meat, fish, dairy, and eggs. As a result, individuals who adhere strictly to vegetarian or vegan diets may struggle to obtain adequate amounts of this essential vitamin, which is crucial for the production of red blood cells, DNA synthesis, and proper neurological function.

While other nutrients like Vitamin A, Sodium, and Vitamin D do have varying levels of prevalence in diets, they are not as consistently deficient in vegetarian diets as B12. Vitamin A can be obtained from plant sources in the form of beta-carotene, sodium is abundant in many processed foods, and Vitamin D can be derived from fortified foods and sunlight exposure. Thus, the risk of Vitamin B12 deficiency is a significant concern among vegetarians, necessitating supplements or fortified foods to ensure proper intake.