Certain foods such as avocados, walnuts, and licorice can affect lab test results.
Notes on verification
Confirmed by multiple independent medical institutions (URMC, University Hospitals), clinical databases (MedlinePlus), and peer-reviewed/clinical literature (ScienceDirect, Medscape) on distinct mechanisms: tryptophan-rich foods affecting 5-HIAA tests and licorice's glycyrrhizic acid lowering potassium. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.988 clusters=4 claim_tier=notable | kind=empirical eligibility=high (extractor: empirical/medium)]
Sources
- Lab Test Results Guide: What to Expect - WebMD (seed:health_and_medicine)
- https://www.urmc.rochester.edu/encyclopedia/content?contenttypeid=167&contentid=catecholamines_urine (corroboration)
- https://www.uhhospitals.org/health-information/health-and-wellness-library/article/lab-tests-v1/potassium (corroboration)
- https://www.uhhospitals.org/health-information/health-and-wellness-library/article/lab-tests-v1/catecholamines-urine (corroboration)
- https://www.medlineplus.gov/lab-tests/how-to-prepare-for-a-lab-test/ (corroboration)
- https://www.sciencedirect.com/science/article/pii/S237606052030585X (corroboration)