Vitamin - B12 - Serum Test for 1 parameters Vitamin B12, also known as cobalamin, is an essential nutrient required for various physiological processes in the body, including the formation of red blood cells, DNA synthesis, neurological function, and maintenance of nerve cells. Serum No Fasting Required ₹1320Free home sample Book Test Free home sample collection in 60 mins Reports within 3 Hours 10,00,000+Tests done TrustedDoctors 10,00,000+Certified Labs 10,00,000+Pickup-at-home Gallery-