Ordering the Glutathione Blood Test
Glutathione is a powerful antioxidant found in every cell, helping to protect the body from damage caused by free radicals and toxins. This test measures the amount of glutathione in your blood, which can help identify if your body is under oxidative stress or if you have trouble detoxifying certain substances. Interestingly, low glutathione levels have been linked to increased sensitivity to environmental chemicals and pollutants, which is not widely known.
Ordering this test can help you:
- Check for antioxidant deficiencies that may affect your body’s ability to handle stress from toxins or pollution
- Monitor the impact of chronic conditions, such as diabetes or autoimmune disorders, on your antioxidant status
- Track the effectiveness of supplements or lifestyle changes aimed at boosting glutathione levels
- Identify possible reasons for unexplained fatigue or slow recovery from exercise
- Support your doctor in making decisions about detoxification or nutritional therapies
Who Should Consider Antioxidant Status Testing
People who feel tired after mild activity, struggle with frequent headaches, or notice slow healing after minor injuries may benefit from this test. For example, someone who has recently started a new supplement or diet to improve their energy might want to see if their antioxidant levels are changing as expected.
Ordering this test may also be helpful if you:
- Have a family history of chronic conditions like diabetes or autoimmune disorders
- Are exposed to high levels of environmental toxins at work or home
- Experience ongoing fatigue that does not improve with rest
- Are recovering from surgery or a long illness and want to monitor your body’s recovery process
- Have noticed increased sensitivity to cleaning products or perfumes, which can sometimes be linked to low glutathione
Testing for glutathione can help pinpoint if your body is struggling to manage oxidative stress, which may affect how you respond to certain treatments or environmental exposures. Delaying this test could mean missing early signs of antioxidant depletion, making it harder to address underlying issues before they become more difficult to manage.
Preparing for Your Antioxidant Blood Panel
Fasting is not required before this test, so you can eat and drink as usual. Always follow any specific instructions your doctor or healthcare provider gives you to make sure your sample is collected correctly and your results are as useful as possible.
Labs Included When Ordering Your Glutathione Blood Test
| Test Name | Reference Range | What This Measures | Low and High Levels of Glutathione |
|---|---|---|---|
| Glutathione (Whole Blood) | 500-1500 | This test checks the amount of glutathione, a key antioxidant, in your blood. It helps show how well your body can protect itself from damage caused by toxins and stress. |
High levels mean your body may be responding to increased oxidative stress or inflammation.
Low levels mean your body may have trouble detoxifying or could be at risk for increased cell damage. |
Reference ranges can change over time. For the most current values, visit the Quest Diagnostics lab test directory.
Glutathione Blood Test FAQ
Is there Glutathione Blood testing near me?
You can find a nearby location for Glutathione Blood testing using the patient service center locator, which also lists mobile phlebotomy options. For those who need regular monitoring due to ongoing fatigue or chronic conditions, having a convenient site makes it easier to get tested without added stress or travel.
What is the cost of the test?
The price you see for the Glutathione Blood Test includes all fees, including sample collection at patient service center locations. Ordering this test is worth it if you want to track how your body is handling oxidative stress or environmental toxins.
How often should I retest?
Retesting every 3 to 6 months is recommended, especially if you are making changes to your diet, supplements, or treatment plan. Regular testing helps you and your doctor see if your antioxidant levels are improving or if further adjustments are needed.
How accurate is the test?
The Glutathione Blood Test uses high-performance liquid chromatography (HPLC) to measure glutathione levels, with a specificity of 98% and sensitivity of 97%. TrueHealthLabs.com partners with CLIA-certified laboratories to uphold rigorous testing standards for dependable results.
Important Notes
Collection Available Monday-Wednesday Only.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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