Buy nutrient deficiency tests online with Quest. Our blood tests measure vitamin and mineral levels to help you optimize nutrition and overall health. Vitamin deficiency tests can offer insights as to which nutrients you may be lacking. In addition, these tests offer valuable insights to individuals with certain food allergies and sensitivities, who are on diet plans, and/or those taking nutrient interactive supplements and may not be getting all the nutrients they need. No doctor’s visit required – simply purchase your nutrition testing, visit a nearby Quest location for sample collection, and get fast results online. You have the option to discuss results with an independent physician at no extra cost.Read MoreRead Less