How Strong Is Your Immune System? Find Out With a Lab Test

Healthy mature woman laughing with strong immune system
Healthy mature woman laughing with strong immune system

Don’t let immunodeficiencies stand between you and good health

Your immune system is what keeps you from getting sick. When this main line of defense isn’t working properly, it can lead to infections, diseases and even autoimmune disorders. Once you know for certain whether your immune system is compromised, you can take steps to ensure a return to good health. We recommend our immune health lab tests for accurate information. Most tests don’t require fasting.

What does an immunity lab test look for?

  • An immunodeficiency
  • Whether you have a balanced number of immunoglobulins (antibodies) and other immune cells
  • Proper function and interaction between proteins and cells

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Immune Quiz

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Immune Health Tests

Find out today with Life Extension® lab tests!

Helps evaluate the presence of autoimmune diseases

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This test is a comprehensive screen for automimmune diseases and includes an antinuclear antibodies (ANA) screen, C-reactive protein (CRP), tumor necrosis factor alpha and screens for immunoglobins IgA, IgG and IgM.

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Panel includes antibodies to Epstein Barr viral capsid antigen (VCA) IgG, Epstein Barr viral capsid antigen IgM and Epstein Barr nuclear antigen (EBNA), which can help identify EBV infection.

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Antinuclear antibody (ANA) blood testing is used in the screening of autoimmune disorders such as rheumatoid arthritis, scleroderma, Sjögren’s syndrome and systemic lupus erythematosus.

Tests for rheumatoid factors elevated in rheumatoid arthritis

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If you are suffering with rheumatoid arthritis, your health practitioner may want to measure antibodies known as rheumatoid factors that target aspects of the joints and the immune system.

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Natural killer (NK) cells are selective white blood cells in our immune system that help defend us from infection and/or prevent the progression of disease. This test assesses the number of CD4+ and CD8+ types of NK cells to monitor immune function and more.

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The T-Lymphocyte Helper/Suppressor Profile blood test measures T-helper (CD4+) cells and cytotoxic T-cells (CD8+) cells, which are types of white blood cells that are important for immune function.

Tests for IgG antibodies to the herpes virus cytomegalovirus (CMV)

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Testing for blood levels of IgG antibodies to cytomegalovirus can indicate past exposure to the virus, which infects an estimated 60-90% of adults. Chronic infection can have a negative impact on the immune system.

Measures two antibodies (IgG) to help diagnose Sjögren's syndrome

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The anti-SS-A/anti-SS-B blood test detects antibodies that help identify the presence of the autoimmune conditions Sjögren's syndrome and lupus with Sjögren overlap syndrome.

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What we commonly refer to as herpes, or HHV-6, is composed of two viruses, HHV-6A and HHV-6B. Testing for the virus's IgG antibody is important since a high value may indicate infection or reactivation.

Measures antibodies to cytomegalovirus (CMV), a herpes family virus

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Concerned about a herpes infection? This test detects the presence of IgM antibodies to the cytomegalovirus (CMV).

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If you're concerned about herpes exposure, the blood test for human herpes virus 6 (HHV-6) IgM antibodies can indicate exposure to or reactivation of HHV-6A or HHV-6B, the viruses that make up HHV-6.

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Natural killer (NK) cells are white blood cells in our immune system that help defend us from infection and/or prevent the progression of disease. This test assesses the number of CD3- and CD56+ types of NK cells to monitor immune function and more.

Measures total antibodies (IgG and IgM) for the Coxsackie virus group B

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There are six types of group B Coxsackie viruses. Blood testing for antibodies to Coxsackie group B viruses helps identify exposure. Infection has been linked with some potentially serious illnesses.

Immune Quiz

Answer a few questions to choose the right supplements

Life Extension Lab Testing

It's never been more important to unlock the truth about your health—whether that's a comprehensive view of your vitamin D levels, CBC, and hormone balance--or taking a deep dive and looking for signs of cancer, Alzheimer's, and other diseases.

Lab testing is a breeze!

  1. Order online or call 1-800-544-4440.
  2. Follow instructions for easy at home tests, or take your form for bloodwork to a local lab.
  3. Go over your results for FREE with our Wellness Specialists. You can then review with your doctor.

Let's get started—the key to lasting health is in your hands!