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Help Me Choose > Shop By Condition > Nutrient & Vitamin Deficiency Tests

32 items
  • Best Seller

Iron, TIBC & Ferritin Panel

Test iron, total iron capacity, and ferritin levels in the blood.
$59.00
  • Best Seller

Vitamin D Test

Measure the level of 25-hydroxyvitamin D to understand vitamin D levels.
$75.00
  • Best Seller

Vitamin B12 & Folate Test

Test for vitamin B12 and folate (vitamin B9) deficiencies.
$82.00

Magnesium, Vitamin B12, Iron & Ferritin Test Panel

Test your magnesium, vitamin B12, iron, and ferritin levels.
$85.00

Magnesium Test

Measure the level of magnesium in your blood.
$39.00

Vitamin B12 Test

Test for a vitamin B12 deficiency.
$49.00
  • Quest Exclusive

Omega-3 & 6 Ratio Test Panel

Test levels of omega-3 and omega-6 fatty acids in your blood.
$79.00

Zinc Test

Measure the level of zinc in your blood.
$59.00
  • Quest Exclusive

Depression Nutrient Deficiency Panel

Test levels of 11 nutrients that are often affected by depression.
$269.00
  • New

Core Vitamin and Micronutrient Test Panel

Measure levels of 6 core vitamins and minerals that can give you insight into your body’s overall health.
$239.00
  • Quest Exclusive

Biotin (Vitamin B7) Test

Measure the level of biotin (vitamin B7) in your blood.
$79.00
  • Quest Exclusive

Low Carb Diet Vitamin Deficiency Test Panel

Test levels of vitamins & minerals often missing from a low-carb diet.
$282.00
  • New

Electrolyte Test Panel

Measure levels of 5 core electrolytes that can provide insight into your body’s overall health.
$59.00
  • New

Vitamin C Test

Measure the level of vitamin C in your blood.
$49.00
  • Quest Exclusive

Vitamin B2, B3 & B5 Test Panel

Test levels of vitamins B2, B3, and B5 in your blood.
$62.00
  • Quest Exclusive

Thyroid Disorder Nutrient Deficiency Test Panel

Test levels of 5 nutrients that are often affected by thyroid disorders.
$149.00

Folate (Vitamin B9) Test

Test the level of folate (vitamin B9) in your blood.
$65.00
  • Quest Exclusive
  • Treatment Available

Metabolism Test Panel — Basic

Measure 4 hormones related to your body’s metabolism.
$159.00
  • Quest Exclusive

Vegetarian & Vegan Diet Vitamin Deficiency Test Panel

Test levels of vitamins & minerals often missing from this diet.
$262.00

Calcium Test

Measure the level of calcium in your blood.
$52.00
  • Quest Exclusive

Celiac Disease Nutrient Deficiency Test Panel

Test levels of 10 nutrients that are often affected by celiac disease.
$269.00
  • New
  • Quest Exclusive

Chronic Headache Test Panel

Evaluate markers related to potential underlying causes of chronic headaches.
$149.00
  • Quest Exclusive

High Fat Diet (Ex. Ketogenic) Vitamin Deficiency Test Panel

Test levels of vitamins & minerals often missing from a high-fat diet.
$129.00

Antioxidant & Oxidant Stress Test

Test for imbalances that could lead to chronic health conditions.
$105.00
Showing  23 of  32 results

Nutrient & Vitamin Deficiency Tests

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.

Why Quest?

Save time and money

No doctor visit is required for test purchase

Fast online results

Get test results that you can share with a doctor


Simple sample collection

Easily complete sample collection at one of 2000+ nearby locations

Physician support included

Have the ability to discuss results with a physician