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Shop By Concern / Digestive Health Tests

46 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

Vitamin B12 & Folate Test

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

Magnesium Test

Measure the level of magnesium in your blood.
$39.00
  • Best Seller

Food Allergy Panel with Reflex to Components

Test for IgE antibodies to 15 common food allergens.
$189.00
  • New
  • Quest Exclusive

Pancreatic Function Test Panel

Measure levels of amylase and lipase in your blood.
$89.00
  • Best Seller
  • Quest Exclusive

Fitness Profile — Elite Test

Comprehensive panel for high intensity training and optimizations.
$500.00

Healthcare Provider Fee

For Quest lab tests, an additional physician service fee (starting at $6) is collected on behalf of PWNHealth and its affiliated professional entities for independent healthcare providers oversight of lab testing including ordering testing if appropriate, as well as providing physician follow-up services.

Celiac (Gluten) Disease Panel

Test for tTG-IgA and IgA antibodies associated with celiac disease.
$112.00
  • New

Homocysteine Test

Detect if you have high levels of homocysteine.
$75.00
  • Best Seller

H. pylori Breath Test

Test for a type of bacteria that may cause digestive disorders.
$200.00

Vitamin B12 Test

Test for a vitamin B12 deficiency.
$49.00

Zinc Test

Measure the level of zinc in your blood.
$59.00

Colorectal Screening (FIT) Test Home Collection Kit

Aid in the detection of lower gastrointestinal bleeding.
$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
  • Quest Exclusive

Alpha-Gal Syndrome Allergy Panel

Test for IgE antibodies to alpha-Gal and red meat allergens.
$125.00
  • Quest Exclusive

Omega-3 & 6 Ratio Test Panel

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

Depression Nutrient Deficiency Panel

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

Advanced Fatty Liver Disease Test Panel

Measure your risk level of advanced liver disease, such as MASLD/MASH.
$89.00
  • Quest Exclusive

Biotin (Vitamin B7) Test

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

Thyroid Disorder Nutrient Deficiency Test Panel

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

Copper Test

Measure levels of copper in your urine to monitor potential exposure.
$52.00
  • Quest Exclusive

Metabolic Risk Test Panel

Measure biomarkers associated with metabolic syndrome, diabetes, or CVD.
$169.00
  • Quest Exclusive

Vitamin B2, B3 & B5 Test Panel

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

Shellfish Allergy Panel

Test for IgE antibodies to shellfish allergens.
$125.00
Showing  24 of  46 results

Digestive Health Tests

Buy your own gut health tests online with Quest®. Our tests help you and your doctor identify bacterial infections, autoimmune disorders, deficiencies from digestive system issues and other gastrointestinal conditions. No doctor’s visit is required – simply purchase your GI health 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