Article topic
Testing Guide
How to think about body-side biomarkers, home dust testing, mycotoxins, VCS testing, and what each result can change.
6 articles
Latest in testing guide
Use this collection to go deeper on one part of mold-related illness, from first questions to the practical decisions that follow.
Mold Testing: The Complete Guide to Testing Your Home and Your Body
Learn which mold tests actually work, which waste money, and how to test both your home and body for mold exposure. Evidence-based guide with costs.
Mycotoxin Symptoms: What They Can and Cannot Tell You
See common symptoms linked to mold and mycotoxins, why symptoms alone cannot diagnose CIRS or mold illness, and what evidence to sort next.
Blood tests vs. environmental tests for mold: you probably need both
Blood tests measure your body's inflammatory response to mold. Environmental tests measure your home. Here's why choosing one over the other keeps people stuck.
Why we don't use online VCS testing
VCS testing was validated for clinical settings, not consumer screens. Learn why MoldCo chose symptom clusters and blood biomarkers instead.
Mold Illness Testing: The Complete Guide to Getting Answers
Which mold illness tests actually work, which to skip, and how to start. Blood biomarkers, urine tests, home testing, and costs explained.

Urine Mycotoxin Test Accuracy: What Do They Really Show?
Evidence-based guide to urine mycotoxin test accuracy, limits, false context, and which tests better measure mold-related inflammatory illness.