Vitamin B12 + Folates LabCorp

Vitamin B12 and Folic Acid blood testing may help doctors diagnose central nervous system disorders, anemia, and malabsorption syndromes. B12 and folic acid also play important roles in maintaining energy levels, muscle strength, and energy. Since B12 and folate are derived solely from dietary intake, such as egg yolks; beef; poultry and fish, many people are deficient in these important vitamins. Fasting for 8-12 hours is required for this test. It is important to drink water in order to stay hydrated.