Mold exposure is one of the most underrecognized causes of chronic, unexplained symptoms. Mycotoxins are toxic compounds produced by certain molds, and when the body is exposed (usually through water-damaged buildings), those toxins can accumulate and affect multiple systems. Fatigue, brain fog, hormonal disruption, immune issues, skin problems, and sensitivity to smells or chemicals are all common patterns.
The Mycotoxin Panel is a urine-based test that measures common mycotoxins to help you understand whether mold exposure may be contributing to what you're experiencing.
Anyone, men or women, who suspects mold may be part of their health picture.
Especially useful if you have a history of living or working in a water-damaged building, if you've experienced unexplained chronic symptoms (fatigue, brain fog, sinus issues, unexplained inflammation, hormonal dysregulation) that haven't responded to other interventions, or if you're sensitive to smells, chemicals, or environments and want to understand why.
Mold illness is difficult to diagnose through conventional channels. Most primary care providers don't test for mycotoxin exposure, and symptoms of mold-related illness often overlap with many other conditions (chronic fatigue, fibromyalgia, autoimmune flares, hormone imbalance, IBS). That overlap means many women spend years cycling through diagnoses without anyone looking at environmental exposure.
This test gives you a direct look at whether mycotoxins are present in your body at measurable levels. A positive result doesn't diagnose mold illness on its own, but it can be a critical clue when combined with your symptoms, your exposure history, and other clinical data.
A urine-based assessment of common mycotoxins produced by molds known to affect human health. The panel typically measures toxins from the following mold families:
Aspergillus species. Common indoor molds that produce ochratoxin, sterigmatocystin, and other mycotoxins.
Penicillium species. Known for producing ochratoxin and mycophenolic acid.
Stachybotrys (black mold). Produces trichothecenes, associated with water-damaged buildings.
Fusarium species. Produces zearalenone and trichothecenes, found in both agricultural and indoor environments.
Chaetomium species. A common water-damage mold that produces chaetoglobosins and other toxins.
The specific mycotoxins measured may vary. Your kit will include a full list of what's tested.
Lab results are data, not a diagnosis or a treatment plan. Mycotoxin testing tells you whether specific toxins are present in your urine, but it doesn't tell you where the exposure is coming from, how long it's been happening, or whether it's the root cause of your symptoms. Mold-related illness is complex, and interpreting these results well requires clinical context and often environmental investigation of your home or workplace.
If you'd like help understanding what your results mean and you live in Virginia, Maryland, DC, or Delaware, you can book an interpretation visit with Discreet Health for a clear, educational walk-through of your results. If you live elsewhere, we recommend following up with a licensed clinician in your state. If you're looking for a treatment plan or ongoing care, that lives in our clinical programs (only available to residents of VA, MD, DC, and DE).
Collection Method
This test uses a first-morning urine sample collected at home. You'll receive a kit with collection materials and detailed instructions.
Glutathione Provocation (Optional)
Some providers recommend taking glutathione or a similar compound for a few days before collection to help mobilize mycotoxins from body tissues into the urine, making them more detectable. This is optional and not required, but it can improve the sensitivity of the test. Your kit may include guidance on this. If you're unsure whether to use a provocation protocol, we recommend discussing it with your own clinician before collection.
Supplements and Medications
Certain supplements and medications can affect test results, including activated charcoal, binders like cholestyramine, and some antifungal medications. Review the materials included with your kit and the guidance available on US Biotek's website for specific instructions on what to pause and for how long. If you're uncertain whether a supplement or medication you take could affect your results, check with your own clinician before collection. Do not stop prescribed medications without first consulting the prescribing provider.
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