YorkTest Laboratories is a food intolerance testing company offering diagnostic testing (including IgG reaction analysis) through its ISO-standard laboratory, serving customers in multiple territories.
Ridgewood Diagnostic Laboratory is a clinical laboratory specializing in toxicology, allergy, endocrinology, hematology, chemistry, urinalysis, molecular diagnostics, and COVID-19 testing, providing accurate results with fast turnaround times and hands-on customer service.