Four Sigmatic Lab Results
Certificates of Analysis & Testing Transparency
Testing Overview
Lab Testing Policy
All products undergo rigorous third-party lab testing for purity, heavy metals, molds, and pesticides. Dual-extraction verified.
Third-Party Lab
Eurofins
Brand COA Page
Product Test Results
Verified Certificate of Analysis data for Four Sigmatic products.
Four Sigmatic Calm Mylk Hot Cocoa
Tested: Aug 2025
Lab: Eurofins
ISO 17025
Beta-Glucan
Not tested
Heavy Metals
PASS
Pb: 0.01 ppm
As: 0.008 ppm
Cd: 0.003 ppm
Hg: 0.001 ppm
Microbials
PASS
Pesticides
PASS
Potency
VERIFIED
Four Sigmatic Focus Instant Coffee
Tested: Sep 2025
Lab: Eurofins
ISO 17025
Beta-Glucan
Not tested
Heavy Metals
PASS
Pb: 0.02 ppm
As: 0.01 ppm
Cd: 0.005 ppm
Hg: 0.001 ppm
Microbials
PASS
Pesticides
PASS
Potency
VERIFIED
What We Test For
Understanding the key tests in a mushroom supplement Certificate of Analysis.
Beta-Glucan Content
Beta-glucans are the primary active compounds in functional mushrooms, responsible for immune modulation and other health benefits. Higher percentages indicate more potent extracts.
Heavy Metals
Tests for lead (Pb), arsenic (As), cadmium (Cd), and mercury (Hg). Mushrooms can accumulate heavy metals from their growing substrate. A "pass" means levels fall within safe limits established by USP and FDA guidelines. Look for actual ppm values for full transparency.
Microbial Testing
Screens for harmful bacteria (E. coli, Salmonella), yeast, and mold counts. This ensures the product is safe for consumption and was manufactured under proper sanitary conditions. Essential for any ingestible supplement.
Pesticide Residues
Multi-residue screening for hundreds of pesticide compounds. Organic-certified products should show no detectable pesticide residues. Even non-organic products should fall well within safety limits.
Potency Verification
Confirms that the active ingredient amounts match what's stated on the label. This ensures you're getting the dosage the brand promises, and that the extract is genuine mushroom fruiting body rather than filler or myceliated grain.
Identity Testing
DNA or chemical fingerprinting to confirm the mushroom species matches what's on the label. This prevents adulteration and ensures you're getting Lion's Mane, Reishi, or whichever species is claimed.
Products Awaiting COA Data
These Four Sigmatic products do not yet have verified Certificate of Analysis data on ShrooMap.
Frequently Asked Questions
Are Four Sigmatic supplements third-party tested?
Yes. All products undergo rigorous third-party lab testing for purity, heavy metals, molds, and pesticides. Dual-extraction verified.
What lab tests Four Sigmatic products?
Four Sigmatic uses Eurofins for their third-party testing. Independent lab testing helps ensure product purity, potency, and safety.
Do Four Sigmatic products contain heavy metals?
All mushroom products naturally contain trace amounts of heavy metals from their growing environment. What matters is whether the levels fall within safe limits set by regulatory bodies. We have verified COA data for 2 Four Sigmatic products showing heavy metal test results above.
How often does Four Sigmatic test their products?
All products undergo rigorous third-party lab testing for purity, heavy metals, molds, and pesticides. Dual-extraction verified. We recommend checking the brand's website or their COA page for the most recent batch-specific results.
View All Four Sigmatic Products
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