Since 1976 Physicians Reference Laboratory, LLC has provided unparalleled laboratory services driven by the highest quality, strictest guidelines and professional ethics that always meet and often exceed industry and government standards.

The mission of Metametrix is to improve health worldwide by providing clinical laboratory tests that identify nutritional imbalances and toxicities underlying chronic diseases. People use our testing services to custom tailor nutritional therapies, detoxification programs and other lifestyle changes that can result in significant, positive impact on health status outcome.

NMR is an information-rich technology that can improve the way cardiovascular and metabolic diseases are assessed and managed not only saving lives, but helping patients live longer and healthier. LipoScience is the first company to commercialize a laboratory test performed using NMR as a detection method, the NMR LipoProfile* test. This test provides a direct measurement of the number of lipoprotein particles. Lipoproteins carry cholesterol and triglycerides in the bloodstream and play a key role in the formation of atherosclerotic plaque. Lipoproteins are important cardiovascular disease risk factors.

Genova Diagnoctics tests people who are focusing on wellness and prevention and taking an active role in managing their health, prefering diagnostic tests designed to help identify problems before chronic conditions and diseases develop. Unlike traditional labs that focus on disease pathology, Genova specializes in comprehensive panels that combine standard and innovative biomarkers to provide a more complete understanding of specific biological systems. Genova is a fully accredited medical laboratory, certified in the areas of clinical chemistry, bacteriology, mycology, parasitology, virology, microbiology, non-syphilis serology, general immunology, hematology, toxicology.

DNA Diagnostics Center (DDC) is the world's largest and most experienced private DNA testing laboratory. DDC performs 3 out of 4 private DNA paternity tests in the United States and is the DNA testing provider for over 900 affiliated partners in 168 countries.

A tremendous amount of health problems have been linked to food intolerance - common everyday problems like migraines, aching joints, fatigue, gastrointestinal disorders, eczema, hyperactivity/ADD, asthma and even obesity. The ALCAT Test will identify exactly which foods and chemicals are triggering each individual's problems. The ALCAT laboratory currently tests for over 300 foods, food additives, food colorings, environmental chemicals and even molds.

Immunolabs is one of the most accurate laboratories in the world specializing in blood testing. As pioneers in the food allergy testing industry, Immunolabs can determine the foods you are eating that may be poisoning your system. Utilized by more than 1,200 of the nations most advanced thinking healthcare professionals, food allergy testing shines a light on how your body processes foods; possibly contributing to chronic diseases and disorders.

Spectracell offers a variety of nutritional and cardiovascular tests. The FIA™ or Functional Intracellular Activity Test is one such nutritional evaluation tool, developed at the University of Texas as a diagnostic blood test that assists people in assessing their bodies’ intracellular function of essential micronutrients. Arthritis, Parkinson's, alcoholism/substance abuse, behavioral disorders, cancer, cardiovascular diseases, chronic fatigue, macular degeneration, diabetes, immune disorders, multiple sclerosis, stroke, and osteoporosis have been linked to nutrient imbalances.