ZRT lab specializes in hormone testing, done in both blood spot and saliva. They also offer an array of other tests in bloodspot, urine and saliva.
US Biotek specializes in food allergy and food sensitivity testing. They’re also currently offering Covid-19 serum antibody testing.
Spectracell is best known for their serum micronutrients test.
Quicksilver Scientific has clinical metals testing, and are best known for their Mercury tri-test.
Precision Analytical is also known as DUTCH. They specialize in dried urine hormone testing.
Labrix is part of the larger lab called Doctor’s Data, and Labrix specializes in salivary hormones, neurotransmitters and DNA testing.
KBMO Diagnostics specializes in food inflammation and offers food inflammation tests. They’re also currently offering COVID-19 antibody tests in bloodspot and serum.
iGenex offers testing for lyme disease, relapsing fever, and other tick-borne illnesses.
Great Plains Labs provide testing for metabolic, genetic, mitochondrial, and environmental factors in chronic illnesses.
Genova Diagnostics offers a wide array of tests, though their most popular ones are their GI-Effects stool test, NutrEval nutritional test and SIBO breath tests.
Doctor’s Data is best known for their essential and toxic elemental testing, and they also offer an array of other specialty tests.
Diagnostic Solutions Laboratory is best known for their flagship GI-Map stool test, though they also offer several other tests including a genomics test.
Cyrex specializes in functional immunology and autoimmunity, and they offer serum antibody testing.
BostonHeart does basic bloodwork and cardio-metabolic labs in all-cash pricing, with no order minimum.
Alletess specializes in food allergy and food sensitivity testing, offering serum, blood spot and finger-stick options and Wellness Plans to go along with results.
Best known for their hormone and genetic test panels. Offered in blood or saliva. Offer stat turnaround in 24 hours for genetic tests.