Functional mushroom supplements — lion's mane, reishi, chaga, cordyceps, turkey tail, and others — are among the fastest-growing supplement categories. They are also among the most contaminated, frequently failing for heavy metals, pesticide residues, and mycotoxins from the substrate materials used in cultivation. Third-party COA is essential for brand credibility and retailer acceptance.
Mushrooms are hyperaccumulators of heavy metals, particularly cadmium, arsenic, and lead — with accumulation rates far exceeding most other botanical ingredients. Substrate materials (grain, wood, sawdust) also carry pesticide and mycotoxin risks that fruiting body testing alone does not capture.
Chaga, reishi, and lion's mane have documented cadmium and arsenic accumulation from substrate and forest floor sources. Per-lot ICP-MS testing is the only reliable safeguard.
Imported mushroom powders — particularly from Asia — frequently test positive for pesticide residues not permitted in US products. Multi-residue screen protects your supply chain.
Grain-based mycelium substrates are susceptible to aflatoxin and ochratoxin contamination if improperly dried. Mycotoxin screening is especially critical for grain-containing products.
Products labeled as mushroom extract may contain primarily mycelium-on-grain with minimal active fruiting body. Identity testing verifies botanical source and beta-glucan content.
DNA barcoding and microscopic analysis confirm species identity — protecting against adulteration and mislabeling, which is common in the mushroom ingredient supply chain.
Natural retailers and Amazon increasingly require mushroom supplement COA covering metals and contaminants. Testing is required for new product listings on major health platforms.
Standard mushroom testing panel:
Submitting takes less than 5 minutes. Most projects turn around in 5–10 business days from sample receipt.
Send a brief project description — sample type, quantity, and timeline. We confirm turnaround and quote within one business day.
We'll send a submission form and our San Diego shipping address. Most samples ship ambient or cold depending on stability requirements.
Results are delivered as a signed PDF COA within the agreed turnaround. Rush service (2–3 business days) is available for urgent timelines.
Send us your samples and receive an ISO 17025 accreditation pending Certificate of Analysis. Results in 5–10 business days.