Mushroom Contamination & Safety
Explore mushroom research and guides on mushroom contamination & safety.
Heavy Metals in Mushroom Supplements: What to Look For
Mushroom supplements aren't required to test for heavy metals before reaching shelves. Here's what contamination surveys actually found, why results differ so sharply by region, and how to read a Certificate of Analysis.
Radioactive Contamination in Wild Mushrooms: Should You Worry?
Cs-137 from Chernobyl is still detectable in 86.6% of wild European mushrooms. But the actual dose from typical consumption is less than a dental X-ray. Here's the data.