Vegan Diet: Which Blood Tests Are Commonly Used?
Vegans commonly discuss tests such as CBC, ferritin, vitamin B12, methylmalonic acid, vitamin D, TSH, CMP, lipid panel, and A1c. Learn what each test can show—and what it cannot.
Nutrition
Malnutrition: Which Blood Tests Are Commonly Used?
Blood tests can help evaluate malnutrition risk, nutrient deficiencies, anemia, electrolyte problems, inflammation, and refeeding safety—but no single lab value diagnoses malnutrition.
Zinc Blood Test: What It Measures, Preparation, and Results
A zinc blood test measures zinc in serum or plasma to help evaluate suspected deficiency, excess exposure, malabsorption, supplementation, and nutrition support. Learn how to prepare, what results can mean, and what to ask next.